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【简答题】
为保证饮用水的安全,氯化消毒后水中必须剩余一定的氯,称为 。
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【单选题】【上一道题的答案是D】Excel工作表中,如在A1输入“你”,B1输入“们”字,C1输入公式=A1&B1&"好",则C1中出现
A.
######
B.
#N/A
C.
你们好
D.
TRUE
【简答题】单词填空。 1. We are very ______ (感激的) for his help. 2. His e-friend says he lives with his parents in a ______ (木头) house in Thailand. 3. There are lots of ______ (老鼠) in the old mall's house. 4. Fanny li...
【单选题】Convection( 对流 ) is a ______ simpler physical process than conduction.
A.
more
B.
many
C.
farther
D.
far
【单选题】Excel工作表中,如在A1输入“你”,B1输入“们”字,C1输入公式=A1&B1&"好",则C1中出现__________。
A.
你们好
B.
True
C.
######
D.
#N/A
【简答题】A．Because he lost his English textbook. B．Because he didn't get good marks in the last examination. C．Because he failed in the last English examination. D．Because he did not attend the last English te...
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