【单选题】
( ) 32. What does the expression “to touch all bases” mean?
A. To try your best to set a new record.
B. To get a chance to be the greatest hitter.
C. To do what is needed to finish an activity.
D. To solve the problems successfully.
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相关试题
【单选题】
( ) 33. The Chinese Yellow Sea Wetlands are in the _______ of China．
A．south B．east C．west D．north
【单选题】
( ) 34. Usually the weather in the wetlands is _______．
A．hot B．pleasant C．cold D．dry
【单选题】
( ) 35. The World Wetlands Day is on _______．
A．February 2 B．June 25 C．April 22 D．March 22
【单选题】
( ) 36. We must protect wetlands because _______．
A．they are home for wildlife B．they can prevent flood
C．they can offer food to the animals and birds D．all of the above
【单选题】
( ) 37.The greatest river for navigation is ___________.
A. the Nile B. the Amazon C. the Mekong D. the Mississippi
【单选题】
( ) 38. From a dam, people can use the water for ___________.
A. keeping the rivers clean B. only making electricity
C. irrigation and making electricity D. washing clothes
【单选题】
( ) 39. The water in the river is polluted because of _____________.
A. people's drinking water too much B. people's swimming in the river too much
C. chemicals and other materials D. people's building a dam across a river
【单选题】
( ) 40. The best title of the passage is ___________.
A. Rivers in Cities B. The importance of Rivers
C. Transportation D. Natural Resources
【单选题】
1.—Hello! This is Henry Speaking．I’d like to speak to your father．
—Sorry, he has Shanghai．
A. been in B. been to C. come to D. gone to
【单选题】
2. — It’s difficult for the village children to cross the river for school．
— I think a bridge ______ over the river．
A. was built B. is being built C. has been built D. should be built
【单选题】
3. —Where would you like to go, Jinan or Qufu?
— ．I only want to go to Qingdao．
A. Each B. Either C. Neither D. All
【单选题】
4. — The documentary A Bite Of China II is quite popular around China recently. How do you like it? — ______.
A. I think so B. Pretty good C. It’s my pleasure D. All right
【单选题】
5. There are three English-books on the shelf, but ______ of them is mine.
A. both B. neither C.all D. none
【单选题】
6. When the parents arrived at the hall, the students _______ their projects.
A. have finish B. finished C. had finished D. are finishing
【单选题】
7. This week, the _______ seems to change every day: one day is hot; the next day is cold.
A. time B. weather C. season D. way
【单选题】
8. He never does his work _______ Mary.
A. as careful as B. so careful as C. carefully as D. as carefully as
【单选题】
9. — Can he jump high?
— Yes, he ______. He is a good high jumper.
A. must B. need C. can D. shall
【单选题】
10. The shop _____ at 8:00 a．m．and it ________ for ten hours every day．
A. is open; has opened B. is opened; opens
C. opens; is open D. opened; opens
【单选题】
11. —Excuse me, may I use your bicycle? ______ is broken.
—Certainly. But remember to return it before lunch.
A. Mine B. Me C. Myself D. I
【单选题】
12. —Simon, what do I need to take for the hiking?
—You’d better ________ more water than usual. It’s hot today.
A. to take B. taking C. take D. took
【单选题】
13. Helen ______ to a language school when she was seven.
A. sent B. is sent C. will send D. was sent
【单选题】
14. — Is this park you’ve visited recently?
— Yes, it's the most beautiful one I’ve ever visited before.
A. that B. the one C. which D. the one which
【单选题】
15. — It’s difficult for the village children to cross the river for school.
— I think a bridge ________ over the river.
A. should be built B. is being built C. has been built D. was built
【单选题】
16. — Could you tell me when Mr. Li ________ in Huaibei?
— Sure．．When he ________, I’ll call you．
A. arrives; will arrive B. will arrive; will arrive
C. arrives; arrives D. will arrive; arrives
【单选题】
) 17.There is ________ 800-metre-long road behind ________ hospital．
A. an; an B. an; the C. a; a D. a; the
【单选题】
18. — Did you see a girl in yellow pass by just now?
— No, sir. I ________ a magazine.
A. read B. am reading C. was reading D. would read
【单选题】
19.In fact, my parents are not only kind to me, but also strict ________ me.
A. at B. to C. for D. with
【单选题】
20. The boy_____ a yellow sweater can_____ himself now．
A. wearing; dress B. putting on; wear C. put on; dress D. dressing; wear
【单选题】
21. —Jack, I haven’t seen your brother for a long time．
— He ________Shanghai on business for two months．
A. went to B. has gone to C. has been in D. has been to
【单选题】
22. The meat with eggs tastes ______. Would you like some more?
A. nice B. well C. bad D. wonderfully
【单选题】
23. — Look! The man standing at the gate ______ be our headmaster．
— No, it _______ be him．He is holding a meeting in the office now．
A. must; can’t B. must; mustn’t C. can’t; can’t D. can’t; mustn’t
【单选题】
24. The Japanese government must do everything ________ polluted water from running into rivers, lakes, seas and oceans．
A. keep B. kept C. Keeping D. to keep
【单选题】
25. —Hi, Jack．Did you go to Jim’s birthday party?
—No, I felt so sad．I ．
A. didn’t invite B. am not invited C. wasn’t invited D. hadn’t invited
【单选题】
( ) 26. Where does the writer of "The little Prince" come from?
A．England． B．France． C．America． D．China．
【单选题】
( ) 27. What does the prince do after the fox tells him a secret?
A．He cares more about a flower and a sheep．
B．He meets many more strange adults on other planets．
C．He realizes his love for the rose and he goes back to his planet．
D．He discovers interesting things such as a snake, other roses and a fox．
【单选题】
( ) 28. What does "The little Prince" mainly talk about? It' s about _________．
A．the adult world B．the planet B -612
C．a rose and a fox D．the adventure of a young prince
【单选题】
( ) 29. What is the writer's main purpose（目的）in writing this passage？
A．To tell the readers his life story．
B．To tell people what kind of person his father was．
C．To tell the readers what present he got from his father．
D． To let people know how poor he was．
【单选题】
( )30 Why did the father not ask his son not to do this and do that？
A．Because he felt quite confident of his son．
B．Because he was born from a poor family．
C．Because he was a man of few words．
D．Because he didn't want to be much too strict with his son．
【单选题】
( ) 31. What would someone learn from this passage？
A．How to live by oneself． B．How to stand on one's own feet．
C．What a good father should do． D．What the self-important is like．
【单选题】
( ) 32. What may be the proper Chinese for the underlined part in the passage？
A．闲暇时光 B．学费 C．精神空虚 D．经济不足
推荐试题
【单选题】
正常体液中的H＋主要来自___
A. 食物中摄入的H＋
B. 碳酸释出的H＋
C. 硫酸释出的H＋
D. 脂肪代谢产生的H＋
E. 糖酵解过程中生成的H＋
【单选题】
碱性物的来源有___
A. 氨基酸脱氨基产生的氨
B. 肾小管细胞分泌的氨
C. 蔬菜中含有的有机酸盐
D. 水果中含有的有机酸盐
E. 以上都是
【单选题】
机体在代谢过程中产生最多的酸性物质是___
A. 乙酰乙酸
B. 三羧酸
C. 碳酸
D. 硫酸
E. 乳酸
【单选题】
从动脉抽取血样后如不与大气隔绝，下列哪项指标将会受到影响?___
A. AB
B. AG
C. SB
D. BB
E. BE
【单选题】
标准碳酸氢盐小于实际碳酸氢盐（SB＜AB）可能有___
A. 混合性碱中毒
B. 呼吸性碱中毒
C. 呼吸性酸中毒
D. 高阴离子间隙代谢性酸中毒
E. 代谢性酸中毒
【单选题】
血液中挥发酸的缓冲主要靠___
A. HbO2及Hb
B. 红细胞HCO3ˉ
C. 磷酸盐
D. 血浆蛋白
E. 血浆HCO3ˉ
【单选题】
AB减少和AB<SB表明可能有___
A. 代谢性酸中毒
B. 代谢性碱中毒
C. 代谢性酸中毒合并代谢性碱中毒
D. 呼吸性酸中毒
E. 混合性酸中毒
【单选题】
血液中缓冲固定酸的主要缓冲碱是___
A. K-HbO2
B. Na-Pr
C. K-Hb
D. NaHCO3
E. Na2HPO4
【单选题】
血液pH 值主要取决于血浆中___
A. [Hb¯]/[HHb]
B. [HbO2¯]/[HHbCO2]
C. [HCO3¯]/[H2CO3]
D. [Prˉ]/[HPr¯]
E. [HPO42¯]/[H2PO4¯]
【单选题】
下列哪一项双重性酸碱失衡不可能出现___
A. 呼吸性酸中毒合并呼吸性碱中毒
B. 代谢性碱中毒合并呼吸性酸中毒
C. 代谢性酸中毒合并代谢性碱中毒
D. 代谢性酸中毒合并呼吸性碱中毒
E. 代谢性碱中毒合并呼吸性碱中毒
【单选题】
急性呼吸性碱中毒时起主要作用的缓冲物质是___
A. H2CO3
B. 有机磷酸
C. HHb 及HHbO2
D. H2PO4-
E. HPr
【单选题】
由于剧烈呕吐引起的代谢性碱中毒最佳治疗方案是___
A. 静注0.9%生理盐水
B. 给予三羟基氨基甲烷
C. 给予噻嗪类利尿剂
D. 给予抗醛固酮药物
E. 给予碳酸酐酶抑制剂
【单选题】
肾衰竭患者发生代谢性酸中毒时机体最主要的代偿方式是___
A. 细胞外液缓冲
B. 骨骼代偿
C. 细胞内液缓冲
D. 呼吸代偿
E. 肾脏代偿
【单选题】
慢性呼吸性酸中毒的代偿调节主要靠___
A. 骨骼代偿
B. 呼吸代偿
C. 肾脏代偿
D. 心脏代偿
E. 血液系统代偿
【单选题】
下列哪一项不是引起酸中毒时心肌收缩力降低的机制___
A. H＋影响钙内流
B. 代谢酶活性抑制
C. H＋竞争性地抑制钙与肌钙蛋白亚单位结合
D. 低钙
E. H＋影响心肌细胞肌浆网释放钙
【单选题】
某肝性脑病患者，血气分析结果：pH 7.5，PaCO2 13mmHg，HCO3- 11mmol/L，可诊断为___
A. 呼吸性酸中毒合并代谢性碱中毒
B. 呼吸性碱中毒合并代谢性酸中毒
C. 呼吸性酸中毒合并代谢性酸中毒
D. 呼吸性碱中毒合并代谢性碱中毒
E. 以上都不是
【单选题】
血气分析反映酸碱平衡呼吸性因素的重要指标是___
A. BE
B. PACO2
C. PaO2
D. PaCO2
E. AB
【单选题】
急性呼吸性酸中毒对机体主要的影响是___
A. 缺氧
B. 高钾引起心律失常
C. 功能性肾衰
D. 肺性脑病
E. 心肌收缩减弱
【单选题】
应用速尿引起代谢性碱中毒时，机体主要的代偿方式是___
A. 肾代偿
B. 肺代偿
C. 骨代偿
D. 血液代偿
E. 细胞代偿
【单选题】
慢性呼吸性碱中毒主要靠___
A. 骨代偿
B. 胃肠道代偿
C. 血液代偿
D. 肾代偿
E. 肺代偿
【单选题】
血气分析结果为PaCO2降低同时伴HCO3-升高，可诊断为___
A. 呼吸性酸中毒合并代谢性碱中毒
B. 呼吸性碱中毒合并代谢性酸中毒
C. 呼吸性酸中毒合并代谢性酸中毒
D. 呼吸性碱中毒合并代谢性碱中毒
E. 代谢性酸中毒合并代谢性碱中毒
【单选题】
急性代谢性酸中毒机体最主要的代偿方式是___
A. 骨骼代偿
B. 呼吸代偿
C. 细胞外液缓冲
D. 细胞内液缓冲
E. 肾脏代偿
【单选题】
下列哪一项不是呼吸性酸中毒的原因___
A. 呼吸中枢抑制
B. 呼吸道阻塞
C. 肺泡弥散障碍
D. 通风不良
E. 胸廓病变
【单选题】
休克伴发代谢性酸中毒中下列哪项变化是不存在的？___
A. 尿pH↓
B. AG↑
C. BB↓
D. 血[K+]↑
E. 血[Cl–]↑
【单选题】
下列哪一项不是代谢性碱中毒的原因___
A. 低钾血症
B. 严重腹泻
C. 盐皮质激素过多
D. 剧烈呕吐
E. 应用利尿剂（速尿，噻嗪类）
【单选题】
一肾功能衰竭患者血气分析可见：pH 7.28，PaCO2 3.7kPa（28mmHg），HCO3ˉ 17mmol/L，最可能的酸碱平衡紊乱类型是___
A. 代谢性酸中毒
B. 呼吸性酸中毒
C. 代谢性碱中毒
D. 呼吸性碱中毒
E. 以上都不是
【单选题】
某溺水窒息患者，经抢救后血气分析结果为：pH 7.18，PaCO2 9.9 kPa （75mmHg），HCO3ˉ 28mmol/L，最可能的酸碱平衡紊乱类型是___
A. 慢性呼吸性酸中毒
B. 代谢性酸中毒合并代谢性碱中毒
C. 代谢性酸中毒
D. 代谢性碱中毒
E. 急性呼吸性酸中毒
【单选题】
血液pH 值主要取决于血浆中___
A. [Hb¯]/[HHb]
B. [HbO2¯]/[HHbCO2]
C. [HPO42¯]/[H2PO4¯]
D. [HCO3¯]/[H2CO3]
E. [Prˉ]/[HPr¯]
【单选题】
血气分析结果为PaCO2升高同时伴有HCO3-降低，可诊断为___
A. 呼吸性酸中毒合并代谢性酸中毒
B. 呼吸性酸中毒合并代谢性碱中毒
C. 呼吸性碱中毒合并代谢性酸中毒
D. 呼吸性碱中毒合并代谢性碱中毒
E. 以上都不是
【单选题】
代谢性碱中毒时，起主要作用的缓冲系统是___
A. HbO2- / HHbO2
B. HPO42- / H2PO4-
C. HCO3- / H2CO3
D. Pr / HPr
E. Hb- / HHb
【单选题】
代谢性碱中毒常见的病因是___
A. 严重呕吐
B. 正常人摄入NaHCO31000mmol/d
C. 使用安体舒通等利尿剂
D. 高血钾
E. 严重腹泻
【单选题】
下列哪一项不是呼吸性碱中毒的原因___
A. 长期处在密闭小室内
B. 发热
C. 脑外伤刺激呼吸中枢
D. 吸入气中氧分压过低
E. 癔病
【单选题】
严重失代偿性呼吸性酸中毒患者出现精神错乱和谵妄时，下列哪项治疗措施是错误的___
A. 使用呼吸中枢兴奋剂
B. 去除呼吸道梗阻
C. 使用呼吸中枢抑制剂
D. 使用碱性药物
E. 控制感染
【单选题】
AB增加和AB>SB表明可能有___
A. 代谢性酸中毒
B. 呼吸性碱中毒
C. 代谢性碱中毒
D. 混合性碱中毒
E. AG增高型代谢性酸中毒
【单选题】
下列指标中哪一项是反映血中H2CO3浓度的最佳指标?___
A. PaCO2
B. AB
C. pH
D. SB
E. BB
【单选题】
酮症酸中毒时下列哪项不存在___
A. BE负值增大
B. Cl－增高
C. 血K+升高
D. PaCO2下降
E. AG升高
【单选题】
阴离子间隙正常型代谢性酸中毒可见于___
A. 严重腹泻
B. 使用碳酸酐酶抑制剂
C. 轻度肾功能衰竭
D. 肾小管酸中毒
E. 以上都是
【单选题】
严重酸中毒引起心肌收缩力___
A. 先增强后减弱
B. 先减弱后增强
C. 减弱
D. 增强
E. 不变
【单选题】
AG增高型代谢性酸中毒常见于___
A. 使用乙酰唑胺利尿
B. 肾小管性酸中毒
C. 腹泻
D. 糖尿病
E. 慢性肾衰竭早期
【单选题】
某肺心病患者，因受凉、肺部感染而住院，血气分析结果如下：pH 7.33，PaCO2 70mmHg， HCO3- 36mmol/L，可诊断为___
A. 代谢性酸中毒
B. 代谢性碱中毒
C. 急性呼吸性酸中毒
D. 慢性呼吸性酸中毒
E. 混合性酸中毒
