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【单选题】
:我国的改革首先是在( )拉开序幕的A.
城市
B.
农村
C.
国有企业
D.
集体企业
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】________ the Party, we would never have today's happiness.
A.
But for
B.
If
C.
Only if
D.
If only
【简答题】引起核酸变性的因素有许多，其中有_________、_________以及甲醛和尿素等变性剂。
【简答题】汇率变动对经济的影响有哪些?
【单选题】Unit 1 短对话2
A.
Boxing is one of his favorite sports.
B.
Boxing is the only kind of sport he likes.
C.
He doesn’t like boxing at all.
D.
He doesn’t like boxing very much.
【单选题】We would never have had the accident if you ______ so fast.
A.
wouldn’t been driving
B.
hadn’t been driving
C.
had driven
D.
wouldn’t drive
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