(单选题)15: Theories have been proposed by astronomers to （ ） electrical disturbances （干扰） in the atmosphere A: apply for B: allow for C: account for D: appeal for ...

(单选题)10: It was ______ I met Mr. Smith in Shanghai. A: many years since B: since many years ago when C: many years ago that D: for many years since ...

(单选题)5: Please bear in mind that correct conduction of precautions can reduce or ______ waterside corrosion to the minimum. A: export B: diminish C: embrace D: entrap ...

(单选题)20: How close parents are to their children______a strong influence on the development of the children's character. A: have B: has C: having D: had ...

(单选题)15: Before you begin preparing for the second ______ of the interview, you’d better make a list of topics related to your country, culture, lifestyle and personal interests. A: phrase B: case C: phase D: kind ...

(单选题)10: The longer the economic decline is allowed to go on the more difficult it will be to （ ） it A: underline B: upset C: resume D: reverse ...

(单选题)5: The prices of the products of joint ventures sold in China should be fixed on the basis of quality ______ the price regulations set by the state and be charged in RMB A: first of all B: with a view to C: regardless of D: in l...

(单选题)20: _______ has recently been done to provide more buses for the people, a shortage of public vehicles remains a serious problem. A: That B: What C: In spite of what D: Though what ...

(单选题)15: There are many children and adolescents ______ behavior is generally unacceptable . A: their B: who C: whom D: whose ...

(单选题)5: I feel nervous about the （ ） of the experiment as it determines the future of this domain A: outcome B: outlook C: output D: outline ...