将数字“6”旋转180。，得到数字“9”；将数字“9”旋转180。，

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问题选择题

将数字“6”旋转180^。，得到数字“9”；将数字“9”旋转180^。，得到数字“6”；那么将两位数“69”旋转180^。，得到的数字是

A.69
B.96
C.66
D.99

答案

答案：A

连词成句

1. do, you, much, yogurt, how, need?

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2. sandwich, lettuce, you, in, like, do?

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3. on, a, of, bread, relish, some, piece, put.

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4. then, a, and, tomato, cut, green onion, up, a.

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5. of, another, put, piece, bread, it

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单项选择题

加压塔和常压塔的减量程序为（）。

A、减蒸汽→减入料→减回流

B、减入料→减蒸汽→减回流

C、减入料→减回流→减蒸汽

D、减回流→减入料→减蒸汽