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【单选题】
What does the woman Want the man to do?A.
She wants the man to listen to the instructions and observe.
B.
She wants the man to watch white she performs the operations.
C.
She wants the man to ask questions so that she can help him.
D.
She wants the man to try to do it while she gives him instructions.
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【判断题】Let’s to confirm the reservation information, a table in the main dining lobby for three. Right?
A.
正确
B.
错误
【简答题】substr()函数用于获取字符串中的子串，则substr('itcast',1,3) 的返回值是【】。
【简答题】substr()函数用于获取字符串中的子串,则substr('import',1,3)的返回值是 。
【判断题】Thus in the main groups of the periodic table, basic properties increase on descending a group because the elements become more electropositive and more ionic.
A.
正确
B.
错误
【单选题】(W: Would you like a table in the main hall or in a private room, sir?
A.
The main hall will be fine.)
B.
at is the possible relationship between the two speakers?
C.
parent and son
D.
shop assistant and customer
E.
doctor and patient
F.
receptionist and customer
【简答题】某地A、B两个农贸市场三种主要蔬菜价格及销售额资料如表: 品 种 价 格 (元/千克) 销售额(万元) A 市场 B 市场 甲 乙 丙 0.30 0.32 0.36 75.0 40.0 45.0 37.5 80.0 45.0 试计算比较该地区哪个农贸市场蔬菜平均价格高?答( )。
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