【单选题】【消耗次数：1】
—Could I borrow your dictionary? —I’d get it for you ____I could remember who last borrowed it.
①
except that
②
unless
③
only if
④
if only
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相关题目
【单选题】
Do you think I could borrow your dictionary?
①
Yes, you may borrow
②
Yes, go on
③
Yes, help yourself
④
It doesn’t matter
【单选题】
Could I use your dictionary for a moment?
①
It’s well
②
It doesn’t matter
③
By all means
④
I have no idea
【单选题】
— Could I use your dictionary for a moment?— _______________________.
①
Its well
②
It doesnt matter
③
I have no idea
④
By all means
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A: Could I borrow your CD of English songs? B: Im sorry. Its not at hand now.
①
正确
②
错误
【单选题】
I’d____ it if you could offer me some advice on the task. ?
①
appreciate ?
②
afford ?
③
ask ?
④
admit ?
【单选题】
18.- Did you get a dictionary?- No, I _____, but there were not any _____.
①
tried; to be left
②
had tried to; leaving
③
tried to; left
④
had tried; have left
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①
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②
在s 区元素中，Be、Mg 因表面形成致密的氧化物保护膜而对水较稳定
③
s 区元素的单质都有很强的还原性
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采用直接滴定法时，缺乏符合要求的指示剂，或者被测离子对指示剂有封闭作用
②
被测离子与EDTA的络合速度很慢
③
被测离子发生水解等副反应，影响测定