10. 函数f(x)=sin(x^2)(-∞<x<∞)是() A. 奇函数 B. 单调函数 C. 周期函数 D. 非周期函数 ...
3. 设f(x),g(x)是恒大于零的可导函数,且f'(x)g(x)-f(x)g'(x)<0,则当a<x<b时,有( ) A. f(x)g(b)>f(b)g(x) B. f(x)g(a)>f(a)g(x) C. f(x)g(x)>f(b)g(b) D. f(x)g(x)>f(a)g(a) ...
49. Here in today’s paper it says the zoo has just obtained _____ animal no one has ever heard of before. A. a B. any C. some D. the ...
39. I’ll go to my uncle’s for vacation as soon as I _____ exam. A. will finish B. am finishing C. will have finished D. finish ...
21. I hope that the little _____ I’ve been able to have be of some use. A. which B. that C. this D. what ...
16. Of all man’s senses _____ of vision is the most important. A. one B. it C. that D. those ...
5. _____ of the play, “Morning Becomes Electra,” introduces the east or characters and hints at the plot. A. First Act B. The act first C. The act one D. Act One ...
4. I’ll certainly work next week except when it ______. A. will rain B. would rain C. is raining D. will be raining ...
29. Before the conference begins, let’s take an _______ of the present situation. A. overall B. overview C. overture D. oversight ...
27. Women’s social status in China has greatly improved. A. identity B. position C. role D. right ...