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【简答题】
气压传动系统的特点
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】土工材料加筋垫层施工时,试验段长度原则上不小于( )m。
【单选题】Today’s young people can’t live without smart phones. They keep their hands on the phones whenever they go, even while they_______meals.
A.
had
B.
will have
C.
are having
D.
were having
【单选题】一般原产地证书的商品名称栏目填写完后,在下一行加上( ),表示填写结束。
A.
***************
B.
-------------------
C.
。。。。。。。。。。。。。。。
D.
+++++++++++++++++++
【单选题】More consumers are waiting for the further drop of housing prices with money in their hands rather than ______ houses, according to a report.
A.
to buy
B.
buying
C.
buy
D.
bought
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