【单选】We () 30 minutes to complete the test .
A. were given B.had given C.gave D.were giving
【单选】The lead pencil is one of the most used pieces of () in the world.
A.merchant B.merchandise C.merchandising D.merchanting
Feed the World with Potatoes 1. As food prices continue to rise rapidly,there is growing concern about the effect it will have among the world’s po
Freezing to Death for Beauty People in Beijing wear a lot of clothing during winter to fend off(抵御)the cold. In the United States, however, people wear
For centuries, people have wondered aboutthe strange things that they dream about. Some psychologists say that thisnighttime activity of the mind has no spe
TheGreatest of Victorian Engineers In the hundred years up to 1860, the workof a small group of construction engineers carried forward the enormous socia
Income tax For many young Americans, graduating from college means finding a job, moving out of the dorm room and beginning to register one's annual
1 A hundred years ago this week, a gigantic explosion ripped (撕裂) open the day y above a forest in western Siberia, leaving a scientific riddle that endur
【单选】Sheis an artist whose work will undoubtedly （withstand） the test of time.
A. grade B.attract C. bear D. suffer
【单选】 The coastal area has very （mild） winter, but the central plains remain extreme
A. severe B.hard C.warm D. dry