How did people begin to use fire（）
A. Not everybody knows how people began to use fire.
B. Nobody knows how to make a fire.
C. It is an Australian who started a fire.
D. We are not sure how people began to use fir
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63（）
A. appeared
B. felt
C. seemed
D. sounded
According to the passage, （）
A. flowers and vegetables from Devon are on the market one month earlier
B. farmers in the southwest grow as many vegetables and flowers as farmers elsewhere
C. people in the southwest have to pay a higher price for vegetables and flowers
D. vegetables in Cornwall ripen as much as a month earlier than flowers
W: May I see your driving license(驾照) and vehicle registration card(登记证), pleaseM:（）
A. OK. But I was driving at 60 miles per hour.
B. Sorry, please don’ t write me a ticket.
C. Sure. Did I do anything wrong
D. Yes. But I don’ t think 1’ m a bad driver.
一名内部审计师的抽样目的是为了获得一个可衡量的保证，即样本将包含总体的至少一次例外情况的发生。这时，应当使用的抽样方法是：
A. 随机抽样。
B. 发现抽样。
C. 概率比例大小抽样。
D. 变量抽样。
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