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【单选题】
氨基酸间脱水首先产生的小分子化合物是A.
核酸
B.
多糖
C.
蛋白质
D.
肽
E.
脂肪酸
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【简答题】狼牙山五壮士的五个人是谁()
【单选题】According to the passage, most Americans feel ______ when they are treated especially respectfully owing to their age or social rank.
A.
sick
B.
sorry
C.
uneasy
D.
embarrassed
【单选题】What' s the main point of this passage?
A.
Few para-parents are willing to take on real responsibility for the child' s well-being.
B.
Divorce damages children.
C.
Divorce damages the voluntary link between the children and father.
D.
All of the above.
【简答题】古文字阶段的汉字包括( )、( )、( )、( )、( )。
【简答题】“狼牙山五壮士”是指在抗日战争时期，在河北省易县狼牙山战斗中英勇抗击日伪军的八路军5位英雄，他们是()、()、()、胡德林、胡福才。
【单选题】The reason some children are backward in speaking is most probably that their mothers respond ________ to their attempts to speak.
A.
incompatibly
B.
disproportionately
C.
inexperiencedly
D.
inadequately
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