【单选题】【消耗次数：1】
Air is very important, _________ we cannot live any more.
①
without that
②
no which
③
where
④
without which
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相关题目
【单选题】
He told me how he had given me shelter and protection without which I __________ of hunger.
①
would be died
②
would die
③
would have died
④
will die
【单选题】
We could ask someone to do the work privately without it __________.
①
know
②
be known
③
being known
④
to be known
【单选题】
Without his timely help, we _____ all these in such a short period of time.
①
dont accomplish
②
have not accomplished
③
should not accomplish
④
would not have accomplished
随机题目
【单选题】
重定向和管道的说明，正确的是（）
①
标准输入输出设备与终端设备是不同的设备
②
输入输出重定向的特殊字符是“”、“”、“”、“”
③
输入输出重定向技术与管道技术采用相同的技术传送信息
④
输入输出重定向技术与管道技术采用不同的技术传送信息