The manager is calling on a______ customer trying to talk him into signing the contract ．
A. prosperous
B. preliminary
C. pessimistic
D. prospective
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白肋烟堆积发酵的最适温度为（）
A. 18 ° C －20° C
B. 20° C － 25° C
C. 25° C －28° C
D. 30 ° C －35° C
汉代创办的宫邸学，也称（）
A. 太学
B. 地方官学
C. “四姓小侯学”
D. 史学
His wife has been _______a lot of pressure on him to change his job.
A. taking
B. exerting
C. giving
D. pushing
士作为一个社会阶层在西周与工、商、农并称为（）
A. 四老人
B. 四贤人
C. 四庶民
D. 四民
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