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【简答题】
如图,正方形ABCD的边长为4,点E在BC上,四边形EFGB也是正方形,以B为圆心,BA长为半径画圆,连结AF,CF,则图中阴影部分面积为 .
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【单选题】下列纬线带,属于北半球中纬度的是(  )
A.
23°N
B.
35°S
C.
45°N
D.
80°N
【单选题】下列不属于带架水枪射程范围的是。( )
A.
40m
B.
42m
C.
45m
D.
80m
【简答题】Read the story again and finish the dialogue.(根据read and write课文内容填空) Little Duck: Old Tree, the sun gets 1 but my shadow gets 2 Why? Old Tree: That's easy. Your shadow gets longer because you a...
【单选题】When you think about the time you have, you _________.
A.
feel you never have enough
B.
feel confident you will get everything done within the time you have
C.
sometimes wonder how you will get it all done
D.
0
【判断题】气相色谱主要分析沸点分布广的挥发性有机物
A.
正确
B.
错误
【简答题】PLC编程软件安装方法不正确的是( )(A)安装前,请确定下载文件大小及文件名 (B)安装过程中,每一步都要杀毒 (C)安装时,最好把其他应用程序关掉,包括杀毒软件 (D)先安装通用环境,解压后,进入相应文件夹,安装。A.B.C.D. D
【单选题】Tom, before you buy the expensive coat, please think about ______ you can afford it.
A.
that                  
B.
when                   
C.
whether
【简答题】2c Read the story again and complete the interview Reporter: How do you 1 to school, Liangliang? Liangliang: I go on a ropeway to 2 the river to school Reporter: Are you 3 ? Liangliang: No, I'm not....
【单选题】下列表面活性剂中属于W/O型乳化剂的是( )
A.
Arabic gum
B.
Myrij 45
C.
Span 80
D.
Fween 80
E.
Pluronic F 68
【判断题】银行本票可以用于转账和背书转让,但其背书必须连续。
A.
正确
B.
错误
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