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【单选题】
–Do you know ? –Yes. At about twelve. I was just about to go to bed.A.
when he came back
B.
when he will come back
C.
whether he goes to bed late
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【单选题】every morning Mrs. Clemens placed a large basin full of water on the window-sill, and as soon as the sun ’ s rays fell on the water the rainbow appeared as clearly as it had ever done in the fountain,...
A.
jug
B.
bottle
C.
bowl
D.
bucket
【单选题】The North American Catawba Indians of the Southeast and Tlingit of the Northwest both see the rainbow as a kind of bridge between heaven and earth.______
A.
best topic sentence
B.
too general
C.
too specific
D.
incomplete sentence
【单选题】Every morning Mrs. Clemens placed a large basin full of water on the window-sill, and as soon as the sun’s rays fell on the water the rainbow appeared as clearly as it had ever done in the fountain, w...
A.
jug
B.
bowl
C.
bottle
D.
bucket
【单选题】闭口系统由初态1分别经过可逆过程a和不可逆过程b到达相同的终态2，【图片】------【图片】
【单选题】闭口系统由初态1分别经过可逆过程a和不可逆过程b到达相同的终态2，则【图片】—— 【图片】
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