1. The bank is reported in the local newspaper__1__in broad daylight yesterday.A. to be robbed B. robbed ?C. to have been robbed D. having been robbed?2.__2__before, his first performance for the amat
1. Agriculture is the country’s chief source of wealth, wheat__1__by far the biggest cereal crop.A.is B.been C.be D.being?2. Jack__2__from home for two days now, and I am beginning to worry about hi
阅读材料：For an increasing number of students at American universities, Old is suddenly in. The reason is obvious: the graying of America means jobs, coupled with the aging of the baby-boom (
阅读材料：In the 1960s, medical researchers Thomas Holmes and Richard Rahe developed a checklist of stressful events. They appreciated the tricky point that any major change can be stressful. Neg
阅读材料：The decline in moral standards—which has long concerned social analysts—has at last captured the attention of average Americans. And Jean Bethke Elshtain, for one, is glad.The fact
阅读材料：It is hard to track the blue whale, the ocean’s largest creature, which has almost been killed off by commercial whaling and is now listed as an endangered species. Attaching radio de
阅读材料：Most episodes of absent-mindedness—forgetting where you left something or wondering why you just entered a room—are caused by a simple lack of attention, says Schacter. “You’re
Trees should only be pruned when there is a good and clear reason for doing so and , fortunately,the number of such reasons is small. Pruning involves the cutting away of obergrown and unwanted branch
On Thursday afternoon Mrs. Carke, dressed for going out, took her handbag with her money and her key in it, pulled the door behind her to lock it and went to the over 60s Club. She always went there o
Passage 2The human brain contains 10 thousand million cells and each of these may have a thousand connections. Such enormous numbers used to discourage us and cause us to dismiss the possibility of ma