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【多选题】
根据沥青中各组分的化学组成和相对含量的不同,沥青的胶体结构可分为 ( ) 。A.
溶胶结构
B.
凝胶结构
C.
溶—凝胶结构
D.
骨架—空隙结构
E.
骨架—密实结构
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【简答题】When she was young, she’s easy to be _____ by tough problems, but now she can deal with any problem by herself.
【简答题】在放大电路中,希望展宽频带,应引入 。
【简答题】She can't tolerate noise of any sort when she’s trying to write.
【单选题】-What’s Laura going to do when she leaves school? -Until a few months ago, she was thinking of going to university, but she’s changed her mind. Now she believes she’s going to make it in the pop world...
A.
How do you feel about that?
B.
What’s she doing just now?
C.
What makes her change her mind?
D.
She’s doing great in the pop world.
【单选题】_____ I mention ______ football , she says she’s too busy .
A.
Whenever ; playing
B.
When .; playing
C.
Whenever; to play
D.
When ; to play
【单选题】What troubles did Laura have when she’s ready for college?
A.
She didn’t have enough money for college.
B.
She just didn’t want to go to college.
C.
She’s still confused ( 困惑 ) about her future.
D.
She wanted to work.
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