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【单选题】
用最大气泡压力法测定溶液表面张力的实验中，对实验实际操作不正确的是（）。A.
毛细管壁必须严格清洗保证干净
B.
毛细管口必须平整
C.
毛细管应垂直放置并刚好与液面相切
D.
毛细管垂直插入液体内部，每次浸入深度尽量保持不变
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【单选题】—What' s the matter?—The shoes don' t fit properlyThey______my feet.
A.
are hurting
B.
will hurt
C.
have hurt
D.
are hurt
【单选题】阅读理解。 My friends Yang Ming and Gao Wei are going on a field trip next week. They want to buy something for the trip. Yang Ming needs a new pair of shoes. Gao Wei wants a new T-shirt and a pair of shor...
A.
CACAC
B.
CABAC
C.
CACBC
【简答题】阅读下列句子，根据所给首字母写出所缺单词。 The shoes are on s______ now. ⒉ Would you like s______ to drink? ⒊ The Smiths have two children. T______ David and Joy. ⒋ Jiang Wei's pen pal is f______ the USA. ⒌ My mother has ...
【单选题】What can be inferred from the passage about different types of shoes?
A.
Boots are defined to be higher than shoes.
B.
People in the 1300's to 1700's like to wear uncomfortable shoes.
C.
People in Japan do not like to wear shoes.
D.
History has proven that the best shoes are made of leather.
【简答题】A: What can I do for you? B : 1 A : For your daughter? Look, the shoes are really nice. Do you like them? B : Yes. But I'm afraid my daughter doesn ’ t like the color. 2 A : Sure. There are different ...
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