29. Welcome to the Science Museum, everyone! This stone axe _______ in South Africa and
experts can’t be exactly sure about its use.
A. had been found B. was found C. has been found D. would be found
28. Some biologists believe this is an ancient survival strategy, _______ a diet with 30 percent
fewer calories than usual increased life span.
A. for which B. to which C. of which D. in which
27. The county, ________ in the north of Shanxi, has a history of more than 1,400 years.
A. located B. to be located C. being located D. locating
26.—Shall we attend the concert this evening?
—Great idea, _______ we can do some shopping first.
A. when B. where C. since D. if
25.—Why do English people talk so often about the weather when they start a conversation?
—Well, it’s probably because the weather is a(n)________ topic.
A. safe B. sensitive C. amazing D. ordinary
24. People in Los Angels have no idea of distance on the map, so they measure distance ________
time not miles.
A. by way of B. by means of C. for lack of D. on account of
23.—What kind of food do you prefer?
—______ but Japanese.
—How about Korean, then?
A. Something B. Nothing C. Anything D. Everything
22.—What attracted you to our university?
—You have a great basketball team and I can _______ for it.
A. work out B. look out C. carry out D. try out