Which of the following situation can't we use “how come” to ask why ?
A. When someone tells you something surprising.
B. When someone tells you something disappointing.
C. When someone tells you something annoying.
D. When someone tells you something joyful.
查看答案
Which is not true the following expressions about “ how do you find it”?
A. How did you find it means what did you think?
B. You can use this question in different times.
C. You can use this question in different verb tenses.
D. You can use this question to greet.
以下属于单糖的是
A. 半乳糖
B. 乳糖
C. 麦芽糖
D. 淀粉
E. 糖原
以下糖类不能被机体消化吸收的是
A. 葡糖糖
B. 果糖
C. 棉子糖
D. 淀粉
E. 乳糖
以下只存在与奶类食品的糖类是
A. 乳糖
B. 葡糖糖
C. 淀粉
D. 糖原
E. 果糖
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