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【单选题】
在WINDOWS中，文件的扩展名决定了文件的类型。其中，最常用的文本文件的扩展名是（）。A.
doc
B.
exe
C.
bat
D.
txt
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【单选题】— Do you know the man _____ is reading the book over there? — Yes, he's Mr. Green, our PE teacher. [ ]
A.
which
B.
what
C.
whom
D.
who
【简答题】根据听到的内容完成短文，每空限填一词。 Maybe you 1 remember the 2 occurred in QiJi Hotel last 3 , December 4 . a mid-aged couple were 5 with a knife, which was 6 in Our TV programme. The police 7 that the 8 had been sol...
【单选题】That young man is always ready to pay compliments to a pretty young lady.
A.
expressions of praise and admiration
B.
expressions of dislike and hatred
C.
expressions of love and passion
【单选题】That young man is always ready to pay compliments to a pretty young lady.
A.
expressions of praise and admiration
B.
expressions of dislike and hatred
C.
expressions of love and passion
D.
无
【单选题】听力原文：Man: Hello, Elizabeth. How are you? Woman: Fine, thanks. Man: Are you sure you are all right? You look a bit worried today. Is there anything wrong? Woman: Well, yes, there is something wrong act...
A.
She had lost her wallet.
B.
She was lost and couldn't find her way back to her hotel.
C.
She didn't know where she had lost her identity card.
D.
She didn't know the way to the theatre.
【简答题】细胞在体外生长时具有一些特点,其中主要是 () 、 () 和密度依赖性。
【单选题】man in a black hat is my PE teacher. He often plays football with us.
A.
A; the
B.
The; a
C.
The; /
【简答题】细胞在体外生长时具有一些特点，其中主要是贴附生长、 和密度依赖性。
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