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[简答题]Questions 41-50
There are only a few clues in the rock record about climate in the Proterozoic con.
Much of our information about climate in the more recent periods of geologic historycomes from the fossil record, because we have a reasonably good understanding of
Line the types of environment in which many fossil organisms flourished. The scarce fossilsof the Proterozoic, mostly single-celled bacteria, provide little evidence in this regard.However, the rocks themselves do include the earliest evidence for glaciation, probablya global ice age.
The inference that some types of sedimentary rocks are the result of glacial activity is based on the principle of uniformitarianism, which posits that natural processes nowat work on and within the Earth operated in the same manner in the distant past. Thedeposits associated with present-day glaciers have been well studied, and some of theircharacteristics are quite distinctive. In 2.3-billion-year-old rocks in Canada near LakeHuro
A. A．highly regarded because it preserves the remains of many kinds of organisms
B．less informative than the fossil record of more recent periods
C．very difficult to interpret due to damage from bacteria
D．more useful to researchers than other aspects of the rock record
[简答题]It is only a few months now before you graduate and have to find a job. What kind of job do you expect to find Will you accept a job that satisfies your interest or one that brings a good income Write an essay of about 400 words entitled
{{B}}My Ideal Job{{/B}}
In the first part of your writing you should present your thesis statement, and in the second part you should support the thesis statement with appropriate details. In the last part you should bring what you have written to a natural conclusion or a summary,
{{I}}Marks will be awarded for content. organization, grammar and appropriacy. Failure to follow the above instructions may result in a loss of marks.
Write your composition on ANSWER SHEET FOUR{{/I}}
[单项选择]Clothes worn only a few times have to be put aside because of the change of the fashion．
A. 衣服因为穿过几次就变得不时髦了。
B. 因为气候的改变，衣服几乎没穿就放在一边了。
C. 因为款式改变，衣服没怎么穿就放在一边了。
D. 因为流行款式的改变，仅穿过几次的衣服也只好搁置在一边了。
[单项选择]Bond had walked for only a few minutes when it suddenly occurred to him that he was being followed. There was no evidence for it except a slight tingling (隐隐作痛) of the scalp (头皮) and an extra awareness of the people near him, but he had faith in his sixth sense and he at once stopped in from of the shop window he was passing and looked casually back along 46th Street. Nothing but a lot of miscellaneous people moving slowly on the sidewalks, mostly on the same side as himself, the side that was sheltered from the sun. There was no sudden movement into a doorway, nobody casually wiping his face with a handkerchief to avoid recognition, nobody bending down to tie a shoelace.
Bond examined the Swiss watches in his shop window and then turned and sauntered on. After a few yards he stopped again. Still nothing. He went on and turned right into the Avenue of the Americans, stopping in the first doorway, the entrance to a women’s underwear store where a man in a tan suit with his back to
A. most people on the sidewalk were on the same side as himself
B. no one suddenly turned into a doorway
C. a man was looking into the windows of a store
D. no one wiped his face with a handkerchief
