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【单选题】
volunteer n.
A.
志愿者;志愿兵
B.
体积;容量
C.
音量;音频
D.
书卷;册
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举一反三
【单选题】以下萃取溶剂中极性最大的是( )。
A.
乙醇
B.
甲醇
C.
正丁醇
D.
E.
乙醚
【简答题】2 Replace the underlined part in each of the following sentences with a word or phrase from the box below. Write your answer in the brackets. Change the form where necessary. adore bet by the...
【单选题】听力原文:Where is the supermarket? (14)
A.
Yes, it is.
B.
It's in front of the bank.
C.
You'd better take a bus.
【简答题】Complete the following sentences with words given below. Change the forms where necessary. score realize bet success discover afterwards desire ease advice overcome 1. I sent him an e-mai...
【单选题】按预测时间范围长短不同,可将其分为短期预测、中期预测和长期预测三种。一般地,预测时间范围越短,预测质量越高;反之,预测结果的准确性越低。因此,在进行产品价格决策时,需要做的是( )。
A.
长期预测
B.
中期预测
C.
短期预测
D.
具体预测
【简答题】2 Replace the underlined part in each of the following sentences with a word or phrase from the box below. Write your answer in the brackets. Change the form where necessary. adore bet by the day...
【简答题】以下哪项是支水准路线的高差闭合差计算公式( )。 A.f h = (H 经 -H 长 ) B. f h = C. f h = 往 + 返 D. f h = 经 + 返 /2A. C
【简答题】Replace the underlined part in each of the following sentences with a word or phrase from the box below. Write your answer in the brackets. Change the form where necessary. adore bet by the ...
【单选题】以下萃取溶剂中极性最大的是
A.
乙醇
B.
甲醇
C.
正丁醇
D.
【单选题】以下萃取溶剂中极性最大的是
A.
乙醇
B.
甲醇
C.
正丁醇
D.
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