问题：
[单选,材料题] According to the author，which of the following most interested the researchers?
The mice that started dieting in old age．。27 of those 46 0ld genes that continued to behave like young genes．。Calorie restriction that works in people．。Dieting that makes sure a drug is effective． 。
问题：
[单选] I’d like to withdraw ￡500 from myCurrent account．
1eave。pay。put。draw。
问题：
[单选,材料题] The earthquake that hit the eastern half of the United States two centuries ago is the biggest“mid—plate”one in history．
right。wrong。not mention。
问题：
[单选,材料题] 请在第_____处填上正确答案。
问题：
[单选,材料题] 请在第_____处填上正确答案。
cost 。moment 。risk。speed 。
问题：
[单选,材料题] 请在第_____处填上正确答案。
locally 。heavily 。suddenly。mildly 。
问题：
[单选,材料题] 请在第_____处填上正确答案。
needs 。wastes 。areas。resources 。
问题：
[单选,材料题] 请在第_____处填上正确答案。
Still 。However 。Moreover。Thus。
问题：
[单选,材料题] Schmidt and her colleagues are the first group of scientists studying Europa．
Right 。Wrong 。Not mention。
问题：
[单选,材料题] It can be inferred from Paragraph 5 that DNA fingerprinting _________．
is costly to the police。could be a social issue。1s the only way to prove innocence。has been a profitable business。
