皮皮学，免费搜题
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【单选题】
请将下列句子排序，正确的顺序为： 1.可是随着3G时代的到来2.手机最初发明出来的时候，不过就是个可以随时打电话的工具 ，所以美名其曰“移动电话”3.手机不仅仅是个可以移动的电话了，上网，处理文件，打游戏4.可以说是一个掌上电脑了A.
3421
B.
1234
C.
2134
D.
3124
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】I ____ provided you with the money. Why didn't you ask me ?
A.
could have
B.
had
C.
must have
D.
ought to have
【多选题】管理概念技能含括( ) A. 复杂问题观察分析能力 B. 重大问题处理与决断能力 C. 紧急处境应变能力 D. 建立与维系权威能力
A.
1
B.
2
C.
3
D.
4
【多选题】[第一节安全生产管理基本概念]本质安全是指设备、设施或技术工艺含有内在的能够从根本上防止发生事故的功能。具体包括以下哪几方面的内容()。
A.
失误一安全功能
B.
事故－安全功能
C.
安全－故障功能
D.
故障一安全功能
E.
事故－失误功能
【简答题】Why didn't you ask him to prepare for the test _____ advance? He could have done it better.
【单选题】—Why didn't you ask him for help? —______, but he was working on his computer．
A.
I had wanted
B.
I had wanted to
C.
It's hard to say
D.
Don't mention it
【单选题】I ______ you how to do it ; why didn't you ask me?
A.
could show
B.
would show
C.
could have shown
D.
showed
【单选题】Why didn't you ask for help,____ trying to do it on your own? [ ]
A.
rather than
B.
other than
C.
more than
D.
less than
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