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【单选题】
四冲程发动机每一工作循环曲轴转()圈;A.
一
B.
二
C.
三
D.
四
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【单选题】（高中）下列哪个选项是空缺处的最佳答案？ --Sam speaks _________ English like a native. I always admire him. --Now he is learning _________ more difficult language ---Arabic.
A.
an； a
B.
/； the
C.
/； a
D.
the； a
【简答题】Bob and San are my classmates. Bob is as 78.________(tall)as Sam, and they 79.________([bəʊθ])have short hair. But Bob is a little 80._________(thin)than Sam. Bob is more 81.________(外向的)and friendlie...
【简答题】Laura: Luis speaks Spanish.Jiao: Oh, really? Laura: Yes, he ________________ three languages - Spanish, English, and Portuguese.2. Chris: Does Maggie have any brothers or sisters?Emi: Yes, she _______...
【简答题】阅读短文，判断句子正误，对的打“√”，错的打“×'。 This is my classroom. It's bright and clean. But it is small. There are twenty-three desks and chairs in it . They are new. You can see two girls and a boy in it. The boy is...
【单选题】--Sam speaks _________ English like a native. I always admire him. --Now he is learning _________ more difficult language ---Arabic.
A.
． an a
B.
． / the
C.
． / a
D.
． the a
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