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【单选题】
铸件的壁厚,铸件强度越低,这是因为壁厚:A.
易产生浇不足、
B.
易产生气孔
C.
易产生缩孔、晶粒粗大
D.
易产生白口组织
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【单选题】What do they do on Sunday in _____ countries? [ ]
A.
west
B.
a west
C.
a western
D.
western
【简答题】35【多选题】跟扩大小肠吸收面积有关的结构有
【单选题】拷贝mydir\myfile文件到dir2目录下,但是系统提示这个文件已经存在,下面那个命令是正确的( )
A.
cp －w mydir\myfile dir2
B.
cp -i mydir\myfile dir2
C.
cp mydir\myfile dir2
D.
cp -v mydir\myfile dir2
【单选题】--- The shoes don’t fit me. Would you please show me _________? ---- Sure. Here you are.
A.
the other one
B.
the others
C.
another pair
D.
another one
【简答题】用路由器组网与用网桥(交换机)组网有何区别?
【单选题】Mike told me that you would pay a visit to Japan, ______?
A.
would you
B.
wouldn’t you
C.
did you
D.
didn’t you
【简答题】脏器仅一面被腹膜所覆盖的为__ ,又称__ 。
【单选题】The T - shirt is too big for me . Would you mind giving me a _____ one ?” “ OK. Here you are .”
A.
larger.
B.
smaller.
C.
fatter.
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