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【单选题】
平均指数是计算总指数的另一种形式,其计算的基础( )。A.
数量指数
B.
质量指数
C.
综合指数
D.
个体指数
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反馈参考答案：
举一反三
【简答题】A．The police had found the owner of the purse. B．The speaker had found the woman in the photo. C．The speaker had found both the mother and the daughter in the photo. D．The speaker had found both the p...
【简答题】阅读短文，选择正确答案。 Yesterday the police were joined by more Yesterday the police were joined by more than 20 volunteers in the continuing search for the two missing agers, Vicky Gray and Tom Hunter, and...
【简答题】The lady called police immediately, but when the police arrived, the thief had already got cleanly away.
【简答题】在三段绝热式固定床反应器中进行n级不可逆反应,各段的催化剂量相同,且控制进入各段的反应物料温度相等.若n>0,试问： (1)哪一段的净转化率最大?哪一段最小? (2)若段间采用冷激方法进行降温,试问第一段与第二段之间和第二段与第三段之间哪处需加入的冷激剂量多?为什么? (3)若n<0,对问题(1),(2)是否还能作出肯定性的回答?为什么?
【多选题】T2 The message was passed from person to person until it reached the front of the bus. But along the way, the message changed. it reached the bus driver, it was not “There’s a bum in the restroom” but...
A.
somewhere
B.
By the time
C.
bomb
D.
pulled over
E.
get off
F.
caused
G.
15-mile-long
H.
traffic jam
I.
Of course
【判断题】If the suspect refuses to be checked, the police can bring the personback to the police station and continuethe interrogation in accordance with the law.
A.
正确
B.
错误
【单选题】With the increase in the tasks people expect the police to carry out, many police forces cannot afford to let their officers be on the beat in the streets.
A.
Y
B.
N
C.
NG
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