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【单选题】
假设个人电脑的供给和需求都增加。再假设个人电脑供给的增加大于个人电脑需求的增加。在个人电脑市场上,我们可以预期A.
均衡数量增加，而均衡价格保持不变
B.
均衡数量增加，而均衡价格的变动是无法确定的
C.
均衡数量增加，而均衡价格上升 D均衡数量增加，而均衡价格下降
D.
均衡数量增加，而均衡价格下降
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【简答题】Who did it? 改为:Tell me______________ .
【单选题】--- Is your father a teacher of English in No. l Middle School? --- No. But he ______ English there for ten years.
A.
has taught
B.
has been teaching
C.
taught
D.
had taught
【单选题】-Is your father a teacher of English in the No.l Middle School? -No! But he _________ English there for ten years.
A.
has taught
B.
has been teaching
C.
taught
D.
had taught
【简答题】用所给词的适当形式填空。 1. Tom`s mother _______ (teach) English in a middle school. 2. I want to go ________ (fish) with my father this Sunday. 3. Jenny has two ________ (knife) in his bag. 4. Kangkang asks me _...
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