—Come on，Kitty.
—Oh, good heavens! Both my legs are nearly to give out. I_______ for hours like a dog.
A.have been walking B.had walked C.was walking D.walked
________''eat more if you're losing weight'' really means is that if you eat 5 to 6 small, healthy meals throughout the day, you will lose weight over time.
A.Which B.That C.What D.Whether
________China’s success in dealing with desertification, the United Nations Environment Program believes the country is a good example for others to follow.
A.In the absence of B.In the light of
C.In the place of D.In the case of
—Hi, darling, what's the matter?
—Well, I wasn't feeling well this morning and I was having breakfast________a wave of nausea ( 恶心) ________me. And then I passed out.
A.before; came over B.when; came over
C.before; pulled over D.when; pulled over
—What will things be like in the year 2080?
—I don’t know, but it was the question________last Tuesday by Brian Solis, a noted futurist from Sweden.
A.acknowledged B.approved C.alarmed D.addressed
His comprehensive surveys have provided the most________statements of how, and on what basis, data are collected.
A.explicit B.ambiguous C.fundamental D.arbitrary
