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【多选题】
塑料管可采用的连接方法有( )。A.
法兰连接
B.
粘接
C.
焊接
D.
螺纹连接
E.
扣结
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【单选题】In the dark , there wasn ’ t a single person _____she could turn for help.
A.
who
B.
whom
C.
from whom
D.
to whom
【简答题】There are so many changes when a person comes to college. Some of the new college students may have been to camps or 1)______ away from home before, but for some it ’ s the 2)______ first time they ’ ...
【单选题】In the dark street, there wasn ’ t a single person ______ she could turn for help.
A.
that
B.
who
C.
from whom
D.
to whome
【简答题】Americans pay compliments frequently, probably more frequently than people in most other cultures. T (adv. 因此 ), for people from other cultures and languages who i (v. 交流 ) with Americans, it is impor...
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