单选题They made detailed investigations to ______ themselves with the needs of the rural market.
单选题Scientists have known how to ______ the limitless power of the sun.
单选题Things have been _____ badly for them.
单选题I won’ t see you off at the airport tomorrow, so I wish you _____.
单选题It has become necessary to develop new and better tools of market research in order to _____ sales with greater certainty because production and purchasing must be adjusted to sales expectations.
单选题a father who lived vicariously through his son’s success.
单选题No dictionary can really capture something as fleeting and ______ as slang.
单选题That was not the first time he _____ us. I think it’ s high time we _____ strong actions against him.
单选题The flashing red light served as a ______ of danger ahead.
单选题All the members of the committee agreed that Mr. Smith was the right person to hold such an important position. They made a(n) _____ decision.
单选题The cake has too much sugar in it, but _____ it’ s OK.
单选题In some countries, students are expected to be quiet and _____ in the classroom.
单选题I really can’ t figure out why she should have _____so much grudge against me.
单选题It was such a hot day that everyone _____ swimming in the river.
单选题He had made a big fortune from the _____ investments.
单选题We must be careful with our water; we have only a week’s _____ left for the next ten days.
单选题Indeed, almost every scientist now finds it impossible to read all the works relevant to his own subject, _____extensively outside of it.
单选题Mainstream pro-market economists all agree that competition is an _____ spur to efficiency and innovation.
单选题He is a man who is _____ of judging works of art.
单选题Thick with trees and sparse with homes, this tranquil area 50 miles north of Houston could be a slice of heave.