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【单选题】
下面哪种树脂具有极好的透光性,被俗称为有机玻璃
A.
聚乙烯
B.
聚甲基丙烯酸甲酯
C.
聚氯乙烯
D.
聚丙烯
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【单选题】These days lots of young Japanese do omiai , literally, “ meet and look . ” Many of them do so willingly. In today ’ s prosperous and increasingly conservati ve Japan, the traditional omiai kekkon , o...
A.
A Western love marriage tends to miss some Japanese values.
B.
Less attention is paid to the partner ’ s qualification in arranged marriages.
C.
Young Japanese would often calculate their partner ’ s wealth.
D.
A new arranged marriage is a repetition of the older type.
【单选题】气孔内陷,保卫细胞侧面观呈哑铃形或电话听筒形的药材是
A.
薄荷
B.
广藿香
C.
金钱草
D.
麻黄
E.
番泻叶
【单选题】气孔内陷,保卫细胞侧面观呈哑铃形或电话听筒形的药材是
A.
薄荷
B.
广藿香
C.
金钱草
D.
麻黄
【单选题】以下属于淘宝一般违规行为的是
A.
发布违禁信息
B.
虚假交易
C.
盗用他人账户
D.
违背承诺
【单选题】气孔内陷,保卫细胞侧面观呈哑铃形或电话听筒形的药材是
A.
薄荷
B.
广藿香
C.
金钱草
D.
穿心莲
E.
麻黄
【简答题】根据图片,在括号内写出各种花冠的类型。
【判断题】在无线电技术中,把负载电阻和电源内阻相等时,称为负载与电源匹配。
A.
正确
B.
错误
【单选题】敌杀死的别名是( )
A.
氰戊菊酯
B.
氯氰菊酯
C.
溴氰菊酯
D.
联苯菊酯
【简答题】Read the following passage and filling the missing information. The word “counterculture” was coined in the 1960s for the attitudes and life styles of many young people who rejected conventional socia...
【简答题】An Internet named Happy Farm is becoming more and more popular among young office workers and students. People can work on a farm. They can also grow, water, sell and steal vegetables, flowers, f...
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