61.The computer of this kind can work ______ than the one of that kind.
A. hundred of times faster B. a hundred time faster C. hundred times faster D. hundreds of times faster
62.When I was young， my grandmother told me that the earth ______ round.
A. is B. was C. has been D. had been
63.—Do you know Jack well?
—Certainly. We ______ friends since ten years ago.
A. were B. have made C. have become D. have been
64.These hamburgers ______ nice， so they have all ______ out.
A. taste， sell B. are tasted， sell C. taste， been sold D. are tasted， been sold
65.We now have ______ fast ways of traveling that this big ocean seems to have grown smaller.
A. so B. such C. so a D. such a
66.I do not wish to ______ your sincerity.
A. reflect B. reflect on C. reflect in D. reflect about
67.The smog is due ______ invisible gases， mostly from automobile exhaust.
A. from B. to C. for D. with
68.______ is accepted as true is relatively， and not absolutely， true.
A. It B. That C. What D. That it
69.How can you keep the machine ______ when you‘re away?
A. run B. to run C. running D. being run
70.Because of his degree， he refused to do ______ he thought “low” work.
A. that B. what C. which D. who
71.She hasn‘t decided with ______ she should first make contact.
A. who B. whom C. how D. which
72.That is ______ we differ.
A. that B. where C. what D. whether
73.Another worry is that telecommunication systems may isolate people ______ each other.
A. from B. for C. with D. to
74.If I ______ in your place， I wouldn‘t trouble him.
A. were B. had been C. could be D. was to be
75._______ the moon moves round the earth is well known to all of us.
A. That B. What C. When D. As
76.I doubt _______ they can complete the bridge ahead of time.
A. whether B. that C. why D. what
77.The question he asked was _______ I come here.
A. that B. how C. what D. because
78.Too many people are indifferent _______ others‘ troubles.
A. with B. to C. of D. about
79.Let us see how dictionaries are made and how the editors _______ definitions.
A. lead to B. arrive at C. reach for D. approach to
80.Shanghai is the place _______ I was born.
A. on which B. in which C. when D. that