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【判断题】
SDH具有统一的标准接口,兼容性较好A.
正确
B.
错误
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【单选题】听力原文：W: How was the English exam you took yesterday? M: Not as easy as I expected. I did fairly well on the reading section but I made quite a few mistakes on grammar. Q: What did the man say about hi...
A.
His errors were mainly in the reading pan.
B.
It wasn't very challenging to him.
C.
It was more difficult than he had expected.
D.
He made very few grammatical mistakes in his test.
【简答题】（10分）通过一年的化学学习，我们已经掌握了实验室制取气体的有关规律。请结合下图回答： （1）实验室若用A装置作为制取O 2 的发生装置，则反应的化学方程式为 _____ _______，该反应是 反应；若用双氧水和二氧化锰反应制取氧气，应选择的发生装置为_____，写出该反应的化学方程式_________ _____ 。 （2）已知甲烷密度比空气小，极难溶于水。实验室可用加热无水醋酸钠和碱石灰的...
【简答题】听力原文：Woman: Of course, I was looking forward to it. I mean, it meant seeing the results of quite a lengthy process to find the right person, which I myself had invested quite a lot of time in. It's a ...
【单选题】听力原文：W: How was the English exam you took yesterday? M: Not as easy as I expected, I did fairly well on the reading section but I made quite a few mistakes on grammar. Q: What did the man say about hi...
A.
His errors were mainly in the reading part.
B.
It wasn't very challenging to him.
C.
It was more .difficult than he had expected.
D.
He made very few grammatical mistakes in his test.
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