题目内容
Dust storms most often occur in areas where the ground has little vegetation to protect of
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Good pencil erasers are soft enough not ______ paper but hard enough so that they crumble
SECTION 1 Vocabulary Selection
In the section, there are 20 incomplete sentences. Below each sentence, there are 4 choices respectively marked by letters A,B,C and D. Choose the word or phrase which best completes each sentences. There is only ONE right answer.
We have had to raise the prices of our products because of the increase in the cost of materials.
Whenever the government increases public services, ______ because more workers are needed
一般情况下，高经济杠杆代表着低风险。()
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