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【单选题】
直线桥梁自线路中心至作业通道栏杆内侧的净距：钢梁明桥面应不小于（）m。A.
2.45
B.
3.0
C.
3.9
D.
2.0
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皮皮学刷刷变学霸
举一反三
【单选题】Can you give us any _____ about how we can improve our English? [ ]
A.
information
B.
suggestion
C.
indication
D.
expression
【单选题】---Can you tell me who the woman going to the hall is? ---A famous writer ______to give us a lecture.
A.
is invited
B.
invited
C.
to invite
D.
inviting
【单选题】We _______ if you could give us whatever information you can in this respect.
A.
should appreciate
B.
appreciate
C.
appreciate it
D.
should appreciate it
【简答题】二. 单项选择。 1.They got ______ 30 years ago. Now their children are both working in Shanghai. A. annoyed B. married C. worried D. surprised 2. ---Have you _____ all your old toys? ---Yeah. They are popu...
【简答题】试述幼儿教师应如何感知觉规律组织教育教学活动?
【简答题】镰刀型细胞贫血症患者的血红蛋白多肽链中，一个氨基酸发生了替换。下图是该病的病因图解。回答下列问题： (1)图中①表示DNA上的碱基对发生改变，遗传学上称为__________。 (2)图中②表示以DNA的一条链为模板，按照_______原则，合成mRNA的过程，遗传学上称为______。图中③表示的过程遗传学上称为________。 (3)已知谷氨酸的密码子为GAA或GAG，组氨酸的密码子为CAU...
【单选题】Can you give us some_______about the writer?
A.
informations
B.
information
C.
piece of informations
D.
pieces information
【单选题】And can you give us a refund, please?
A.
Thanks.
B.
You are welcome.
C.
Yes, of course.
【简答题】Can you give us a [ ] date?
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