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阅读理解,判断正误,对的用“T”表示,错的用“F”表示。 There are three pictures on the blackboard.In Picture One, there is a boy in his bedroom.He is Jack.There are some books on the floor(地板).We can see some apples on his bed, too.Where are his socks?Oh, they’re under his bed. In Picture Two, there is a girl.Her name is Lily.There is a kite in her hand.She wants to play with it in the playground. There is a big tree in Picture Three.Who’s in the tree?It’s Tom.He is a naughty(淘气的)boy.He is Lily’s good friend. (1) You can see three pictures here. ( ) (2) There are some books in Jack’s bedroom. ( ) (3) There are some pears on Jack’s bed. ( ) (4) Tom is a naughty boy. ( ) (5) Lily wants to play with the kite in the playground. ( )
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A.
B.
C.
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A.
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B.
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C.
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D.
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2
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3
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5
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A.
2
B.
3
C.
5
D.
9
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【判断题】Here, the group of the series of instructions is called program.
A.
正确
B.
错误
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A.
Should
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Shall
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【简答题】已知 A 与 B 两物质的相对比移值为 1.5 。当 B 物质在某薄层板上展开拮,斑点距原点 9cm ,此时原点至溶剂前沿距离为 18.0cm 时,问 A 若在此板上同时展开, A 物质的展距应为多少? A 物质的 R f 值应为多少。
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