(单选题)39: The ability to store knowledge makes computers different form every other machine _______ invented. A: ever B: thus C: yet D: as ...

(单选题)33: __________ the PLA men the villagers would not have survived the flood. A: were it not for B: are it not for C: has it not been for D: had it not been for ...

(单选题)47: Zhao Lan ___ already ___ in this school for two years. A: was; studying B: will; study C: has; studied D: are; studying ...

(单选题)35: Let's listen to my new type, shall we? -___. A: Any time will do B: It's right C: That sounds like a good idea D: That's all right ...

(单选题)29: There?are?some?mistakes?in?this?composition.?If?______?,??please?correct?them. A: finding B: having?been?found C: found D: find ...

(单选题)11: I?haven’t?seen?you?for?a?couple?of?days.?What?have?you?been?up____? A: in B: to C: with D: for ...

(单选题)49: Several scientists have been sent to that forest to ( ) the wildlife there. A: recognize B: search C: learn D: study ...

(单选题)17: When you fill in the application form, please use your ( ) address so that we can contact you easily later. A: policy B: plain C: permanent D: principal ...

(单选题)5: He always has a lot of ( ) ideas in his mind , and sometimes we do not even know what he is thinking about. A: novel B: spoil C: acceptable D: additional ...

(单选题)45: The atmosphere ( ) certain gases mixed together in definite proportion. A: considering of B: consists of C: composes of D: composed of ...