[填空题]87 It is time the whole society began to take action to______. (使我们的环境免于毁灭)．

[填空题]It is time the whole society began to take action to _____________________________________________(使我们的环境免于毁灭).

[填空题]When Earth began to take solid form, there was no water or ice on its surface because ______.

[填空题]It is time that the whole society__________________(开始行动)to save our environment from destruction.

[单项选择]He spends his time in（）complaints rather than acting
A. fragile
B. fertile
C. frangible
D. futile

[单项选择]Do you realize that every time you take a step, the bones in you hip are subjected to forces between four and five times your body weight ^①When you are running, this force is increased further still. What happens if through disease a hip-joint ceases to be able to resist such forces For many years hip-joints and other body joints have been replaceable either partially or completely. It is after all a simple ball and socket joint; it has certain loads imposed on it; it needs reliability over a defined life; it must contain materials suitable for the working environment. Any engineer will recognize these as characteristic of a typical engineering problem, which doctors and engineers have worked together to solve, in order to bring a fresh Jease of life to people who would otherwise be disabled, ^②
This typifies the way in which engineers work to help people and create a better quality of life. The fact that this country has the most efficient agricultural indust
A. mechanical engineers
B. doctors and engineers
C. biologists, doctors and farmers
D. farmers, biologists and engineers

[单项选择]At what time did the conversation take place
A. 5:00.
B. 5:20.
C. 5:30.
D. 5:40.

[单项选择]A. Take a bus to Time Street. B. Take a bus to the zoo.
C. Take a No. 57 bus. D. Find the right bus stop first.

[填空题]From that time on, Peter began to work hard and finally got very high grade.
Peter ______ since that time and finally got very high grade.

[简答题]By the time I began teaching in the early 1970s, everyone already seemed to be in business for himself, looking for the best deal, which meant the least teaching for the most money at the most snobbishly well- regarded schools. The spirit of capitalism, for ail that might be said on its behalf, wreaks havoc when applied to culture and education. The English novelist David Lodge neatly caught this spirit at work when he created, in two of his academic novels, the character Morris Zapp. A scholar-operator, Zapp, as described by Lodge, "is well-primed to enter a profession as steeped in free enterprise as Wall Street, in which each scholar-teacher makes an individual contract with his employer, and is free to sell his services to the highest bidder." Said to be based on the Milton-man Stanley Fish, an identification that Fish apparently has never disavowed but instead glories in, Morris Zapp is the freebooter to a high power turned loose in academic settings: always attempting to strength