题目内容
（请给出正确答案）
A.teaches
B.lectures
C.educates
D.imparts
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Where to find the teacher and where to do the experiment______.
A．are not known
B．is not known
C．has not known
D．have not known
A.She’s very intelligent
B.She’s very attractive
C.She’s very easygoing
D.She’s very special
A、Who are you？
B、I’m Parker.
C、Don’t you kno w me？
D、This is Parker.
A.7%KNO3，40%NaNO2，53%NaNO2
B.7%NaNO2，40%NaNO3，53%KNO3
C.7%NaNO3，40%KNO3，53%NaNO2
D.7%NaNO3，40%NaNO2，53%KNO3
A.I’m sure you will.
B.I’m afraid not.
C.No one knows.
D.I don ’t hope so.
A.样品中一定含有KNO₃
B.样品中一定含有Na₂CO₃
C.样品中可能含有Ba（NO₃）₂
D.样品中可能含有Na₂CO₃和KNO₃
A.Would kno
B.would have known
C.knew
D.should know
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