【单选题】
I often see ____ the road on his way home.
A. he cross
B. him cross
C. him crossed
D. he crossing
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相关试题
【单选题】
His mother _______ alone since his father died.
A. lived
B. lives
C. has lived
D. is living
【单选题】
The workers are busy _____ models for the exhibition.
A. to make
B. with making
C. being making
D. making
【单选题】
It was well known that Thomas Edison _______ the electric lamp.
A. discovered
B. invented
C. found
D. developed
【单选题】
She wonders ____ will happen to her private life in the future.
A. that
B. it
C. this
D. what
【单选题】
The higher the temperature, _____ the liquid evaporates.
A. the faster
B. the more fast
C. the slower
D. the more slower
【单选题】
Australia is one of the few countries ______ people drive on the left of the road.
A. which
B. that
C. where
D. on which
【单选题】
Sunday is the day ____ people usually don't go to work.
A. when
B. which
C. in which
D. that
【单选题】
____ you know, David has been well lately.
A. Which
B. As
C. What
D. When
【单选题】
The harder you study, _____ you will learn.
A. much
B. many
C. the more
D. much more
【单选题】
They got there an hour _____ than the others.
A. early
B. much early
C. more early
D. earlier
【单选题】
The grey building is the place where the workers live, and the white building is the place where the spare parts ____ .
A. are producing
B. are produced
C. produced
D. being produced
【单选题】
Once environmental damage ______, it takes many years for the system to recover.
A. is to do
B. does
C. had done
D. is done
【单选题】
We worked hard and completed the task ___.
A. in the time
B. on the time
C. ahead of time
D. before time
【单选题】
I didn't expect you to turn _____ at the meeting yesterday.
A. up
B. to
C. out
D. over
【单选题】
I like the teacher _______ classes are very interesting and creative.
A. which
B. who
C. whose
D. what
【单选题】
When Lily came home at 5 p. m. yesterday, her mother ______ dinner in the kitchen.
A. cooked
B. was cooking
C. cooks
D. has cooked
【单选题】
I don’t know the park, but it's _____ to be quite beautiful.
A. said
B. told
C. spoken
D. talked
【单选题】
Mike is better than Peter ____. swimming.
【单选题】
The young lady coming over to us ______ our English teacher; the way she walks tells us that!
A. must be
B. can be
C. would be
D. could be
【单选题】
Eggs, though rich in nourishments, have ______ of fat.
A. a large number
B. the large number
C. a large amount
D. the large amount
【单选题】
Neither John ______his father was able to wake up early enough to catch the morning train.
A. nor
B. or
C. but
D. and
【单选题】
Jane's dress is similar in design ______ her sister's.
A. like
B. with
C. to
D. as
【单选题】
His salary as a driver is much higher than ________.
A. a porter
B. is a porter
C. as a porter
D. that of a porter
【单选题】
_____ these honours he received a sum of money.
A. Except
B. But
C. Besides
D. Outside
【单选题】
Would you let ____ to the park with my classmate, Mum?
A. me go
B. me going
C. I go
D. I going
【单选题】
I have been looking forward to_____ from my parents.
A. hear
B. being heard
C. be heard
D. hearing
【单选题】
The manager will not _____ us to use his car.
A. have
B. let
C. agree
D. allow
【单选题】
_____ her and then try to copy what she does.
A. Mind
B. See
C. Stare at
D. Watch
【单选题】
Will you ___ me a favor, please?
A. do
B. make
C. bring
D. give
【单选题】
It's bad _____ for you to smoke in the public places where smoking is not allowed.
A. behavior
B. action
C. manner
D. movement
【单选题】
The computer system ____ suddenly while he was searching for information on the Internet.
A. broke down
B. broke out
C. broke up
D. broke in
【单选题】
If she wants to keep slim, she must make a ___ in her diet
A. change
B. turn
C. run
D. go
【单选题】
______ the War of Independence, the United States was an English colony.
A.
B. efore B. At
C. In
D. Between
【单选题】
A police officer claimed he had attempted to ____ paying his fare.
A. avoid
B. reject
C. refuse
D. neglect
【单选题】
While I was in the university, I learned taking photos, ______ is very useful now for me.
A. it
B. which
C. that
D. what
【单选题】
He is not seriously ill, but only a ____ headache.
A. obvious
B. delicate
C. slight
D. temporary
【单选题】
On average, a successful lawyer has to talk to several ____ a day.
A. customers
B. supporters
C. guests
D. clients
【单选题】
What is the train ____ to Birmingham?
A. fee
B. tip
C. fare
D. cost
【单选题】
You shouldn't ______ your time like that, Bob, and was cold yesterdak tonight.
A. cut
B. do
C. kill
D. kick
【单选题】
Both the kids and their parents ____ English, I think. I know it from their accent.
A. is
B. been
C. are
D. was
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118．1号机EH油泵A在联锁开关投入时的自动启动条件有EH油泵B___，EH油泵B运行且EH油压＜___MPa。
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119.1号机EH油泵A允许停止条件有___或___。
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120. EH油系统中有___自动停机遮断电磁阀20/AST；其布置方式是___布置。。
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123.密封油系统应在发电机___前投入运行。
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124.在发电机充有氢气或___时，必须保持密封油压。
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125.发电机内充有氢气时，空侧氢油分离箱的___应连续运行。
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126.密封油系统投入前，应先投入主机___系统。
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127.在润滑油主油箱排油前，必须先将发电机内___置换完毕。
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128.停机期间或正常运行中，若氢侧油泵故障需处理时，则允许___暂时退出运行，但应密切注意氢气纯度变化不低于___，故障消除后立即投运。
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129.停机期间未排氢，发电机及其氢气管道附近___米内禁止明火。氢系统动火作业必须___后进行。
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130.1号机密封油系统正常运行时保持氢压___MPa。
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131.1号机密封油系统正常运行时氢油压差保持为___MPa。
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132.1号机密封油系统正常运行时空侧、氢侧密封油供油压差在___Kpa范围之内。
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133.1号机密封油系统正常运行时密封油冷却器出口油温应保持在___℃之间。
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134.1号机密封油系统正常运行时空侧密封油回油温度≤___℃。
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135.1号机密封油系统正常运行时氢侧密封油回油温度≤___℃。
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136.1号机密封油系统正常运行时氢侧油箱油位___。
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137. 密封油压、氢压、内冷水压三者的关系为___＞___＞___。
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138.1号机空侧密封油正常工作油源由___提供，由主压差阀保证氢油压差___MPa。
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139.1号机空侧密封油第一备用油源是由汽机___来的2.1MPa高压油，当主工作油源发生故障、氢油压差降到___MPa时，该油源由___压差调节器控制调节，维持氢油压差___MPa。
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140.1号机空侧密封油第二备用油源是由汽机主油箱上的___油泵提供，当汽机转速低于2800r/min或发生故障且氢油压差降到___MPa时，则由___油泵提供密封油。该油源由备用压差调节器控制调节，维持油氢压差___MPa。
【填空题】
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143. 1号机电动阀试验前应对运行中___无影响，检修人员___，电动阀___正常。
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144. 必须在___停止运行，且发电机内置换为___后，才能停止密封油系统运行。
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145.1号机正常运行时发电机漏氢量＜___m3/日
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146.1号机EH油再生泵根据___情况停止，当停机后EH油温低时，油箱中会发生___，停机时间超过一周！时，应投入EH油再生泵运行___小时。
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147. 1号机EH油泵的启动条件有EH油箱油位不低于___mm，EH油温大于___℃，确认EH油系统阀门已检查处于___位置。
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148. 凝汽器真空降低时，容易过负荷的级段为___。
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150.氢压降低现象是发电机氢压___，DCS发出“氢气压力低”___报警信号
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151.定子水电导率增加的原因有___漏入水中，不纯净的___进入，___中的树脂接近使用寿命。
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152.定子水电导率增加的现象有定子水电导率高___，就地电导率指示表读数___。
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153．凝结水泵推力轴承温度、电动机推力轴承温度___℃报警，___℃时保护停泵，电动机线圈温度___℃报警，电动机轴承温度___℃报警。
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154.凝结水泵汽化现象有___摆动，___不稳或到零，电流___并___，泵出口母管___,泵运行中___增大。
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155.1号机开式冷却水系统有真空泵冷却器、___热交换器、___冷却器、定冷水冷却器、___冷却器.
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156.1号机循环水冷却水塔的主要组成部分包括：___池、通风筒、人字柱、中央竖井、___槽、配水管、喷头、填料、除水器等。
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157. 凝汽器最佳真空___极限真空。
