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【简答题】
三氯化铁显色反应是指一般含有或水解后含有() 基的有机物与三氯化铁反应显色。
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反馈参考答案：
举一反三
【单选题】— Can the project be finished as planned? — Sure, _____ it completed in time, we'll work two more hours a day. [ ]
A.
having got
B.
to get
C.
getting
D.
get
【单选题】听力原文： Today we're gonna take a look at an unusual house in America, the Winchester House. (14) It was built by Sarah Winchester, the nineth-century heiress of the Winchester family. I don't think ...
A.
It is not something important.
B.
The students should already know it.
C.
It will be explained later in the lecture.
D.
The students need lo answer his question.
【简答题】我们每天应该读至少半小时的英语。 We should read English for________ ________ ，half an hour every day．
【简答题】阅读理解 At a certain time in our lives we consider every place as the possihle site(地点) for a house. I have thus searched the country within a dozen miles of where I live. In imagination I have bought al...
【简答题】根据短文内容完成句子 Look at the picture on the blackboard. We can see a house in it. Behind the house there is a hill with many trees. Near the hill we an see a river. There are three boats in the river, One i...
【单选题】Then ________ we had been looking forward to.
A.
came the hour
B.
the hour came
C.
comes the hour
D.
the hour is coming
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