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【多选题】
DS3型微倾式水准仪主要有哪些部分组成?
A.
基座
B.
望远镜
C.
三脚架
D.
水准器
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参考答案:
举一反三
【判断题】给定二叉树先、中和后序遍历序列中的两个,可以唯一确定一棵二叉树。
A.
正确
B.
错误
【单选题】— I put on my scarf and hat. Why? — ________________________ [     ]
A.
Because it's hot outside.
B.
Because it's cold outside.
C.
Because I am hot.
D.
Because I am hungry.
【简答题】Sociolinguistics is the sub-field of linguistics that studies the relation between ___________ and ___________, between the ________ and ________ of language and the ________ structures.
【单选题】-- It's very hot outside. ---Why you stay at home?
A.
not        
B.
not to    
C.
don't
【简答题】如图所示,碾轮式混砂机,通过碾轮的碾压、揉搓使不同的砂均匀地混合,用于金属铸造车间制作各种砂芯。
【单选题】- Let's play football on the playground. - It's so hot outside. I prefer_______ at home to_______.
A.
stay; go out
B.
to stay; go out
C.
staying; going out
D.
to stay; going out
【单选题】—Let's play soccer on the playground. —It's very hot outside. I would rather ______ at home than ______ out. [     ]
A.
to stay, go
B.
staying, going
C.
stay, go
D.
stay,to go
【单选题】It’s too hot outside, so we decide ______ out.
A.
going
B.
to go
C.
not going
D.
not to go
【单选题】—How’s the weather outside?rn—_______
A.
I like the weather.
B.
It’s not very hot in summer.
C.
It’s raining heavily.
D.
The weather was very warm.
【判断题】给定二叉树先、中和后序遍历序列中的两个,可以唯一确定一棵二叉树。
A.
正确
B.
错误
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