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【单选题】
季铵盐属于( )型表面活性剂?
A.
阴离子
B.
阳离子
C.
非离子
D.
两性离子
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参考答案:
举一反三
【单选题】— How do you ______we go to Beijing for our Holidays?— I think we' d better fly thereIt's much comfortable.
A.
insist
B.
want
C.
suppose
D.
suggest
【单选题】— How do you go to Canada? — We go ___________ plane. [     ]
A.
at
B.
by
C.
on
【单选题】Have you got any books on the computer? I' d like to borrow.
A.
them
B.
some
C.
it
D.
those
【判断题】色温可度量光源颜色,也可度量光源温度。
A.
正确
B.
错误
【单选题】- do you go there? -We go there by plane. [     ]
A.
When
B.
How
C.
Where
【单选题】— How do you _____ we go to Xian, Yinchuan and Taiyuan for our holiday? — I really think that we travel by air, which is comfortable. [     ]
A.
insist
B.
want
C.
suppose
D.
suggest
【单选题】当咖啡的价格急剧上升时,对茶叶的需求将
A.
减少
B.
增加
C.
保持不变
D.
无法判断
【单选题】—Do you feel like______there or shall we take a bus—I' d like to walkBut since there isn' t much time left , I' d rather you______a taxi.
A.
walking, hire
B.
to walk, hire
C.
walking , hired
D.
to walk, hired
【单选题】听力原文: Now I' d like to talk to you about the final exam. The exam will be held next Thursday, the last day of the exam week. Remember to bring along two or three pens in case you run out of ink. Unlik...
A.
On a Tuesday.
B.
On a Wednesday.
C.
On a Thursday.
【单选题】How do you go to the Summer Palace ? We go there ____ bike .
A.
for
B.
at
C.
of
D.
by
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