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【判断题】
对于阀杆升降式的截止阀,其阀杆高于手轮的长度越大,阀的开度越大
A. 对
B. 错
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【单选题】
He has made it very clear ___ we should observe the new rules.
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It was when I read his letter ___ I realized he had given me huge help.
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Don’t worry too much, Jane. Your son ___ home already. Let’s go back and check it out.
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___ they have written about the behaviors of animals is hardly anything new.
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No other drugs are as good as this one; it must have been based on a(n) ___ formula (配方).
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The investigation ___ evidence of a large-scale illegal trade in wild birds.
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Poor Laura! I feel so sorry for her. When she fell, she hurt her arm and, ___, broke her glasses.
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Showing some sense of humor can be a(n) ___ way to deal with some stressful situations.
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He doesn’t ___ of buying a house this year because the bank has refused to lend him any money.
A. afford
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The school has ___ many after-class activity groups for the pupils to make their spare time more colorful.
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The fall in the number of deaths from heart disease is generally ___ improvements in diet.
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We can be partners for now, but ultimately you have to ___ to develop a new software for our project.
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The teacher should praise students for their correct answers and also suggest ___ possibilities.
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In some classrooms, desks are arranged in a U-shape, so the teacher can ___ easily with the students.
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Computer technology ___ individuals to educate themselves and adapt to a constantly changing job market.
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___ the world has ever seen has occurred in the information and communications technologies.
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___ so many people around, it wasn’t convenient to have a long talk with him.
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Alice used to be terribly shy, but working abroad for a year has completely ___ her.
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I think I have a healthy lifestyle. I eat a lot of fruit and vegetables, and I’m a ___ drinker.
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In a way the human race needs to improve its mental and physical qualities if it is to deal with the more and more ___ world and meet new challenges.
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【单选题】
Such chemicals are indeed negatively ___ those humans to whom they are expose D.
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We regret for selling you the faulty product, and our company has agreed to ___ you by $500.
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