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【简答题】
蔬菜和水果中的酸味物质是有机酸，在人体内经代谢生成酸性物质使体液相对呈弱酸性，所以称为成酸性食品。 （ ）
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【单选题】The only reason why college students can’t speak English fluently is that they are truly short of real English environment since Chinese is our mother tongue, and English is our foreign tongue.
A.
T
B.
F
【单选题】. — Why was Professor Johnson unhappy those days? — The only reason was ________the theory he stick to ____ wrong.
A.
that; proving
B.
why; being proved
C.
that; proved
D.
why; was proved
【判断题】The concern for the environment is the only reason why Andrew Sims chose not to travel by air.
A.
正确
B.
错误
【单选题】The only reason why college students can’t speak English fluently is that they are truly short of a real English environment since Chinese is our mother tongue, but English is our foreign tongue. ___...
A.
T
B.
F
【单选题】-Why was Mr.Smith unhappy those days? -The only reason was that the theory he insisted on ____wrong. [ ]
A.
proving
B.
being proved
C.
proved
D.
was proved
【简答题】Have you ever asked yourself why children go to shcool? You will 1 say that they go to learn their own language and other languages, arithmetic,history, science, and all the other 2 . That is quite tr...
【简答题】If we (not trust) _____ him we (sack) ______ him months ago. The only reason why he survived that layoff is that we still have faith in him.
【简答题】下列各分散系各属于哪种类型?指出分散相和分散介质。 (1)用热水洗涤粘有油污的瓶子,经震荡后倒出来的液体。 (2)将食盐放入水中,经搅拌溶解后得到的清液。 (3)将极细的沙粒放入水中,经搅拌得到的液体。
【简答题】爱护地球主题墙绘
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