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【简答题】
剖面线的画法:三个零件相邻时,其中两个零件剖面线方向 (相反、相同) ,第三个零件的剖面线可以采用不同间隔的剖面线。
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皮皮学刷刷变学霸
举一反三
【判断题】The residents were firmly opposed to the construction of a waste incineration plant in their neighborhood because they were deeply concerned about the plant’s emissions polluting the air.居民坚决反对在附近建立垃圾...
A.
正确
B.
错误
【单选题】The three American friends were deeply _____ the first time they were in Shenzhen.
A.
impressive
B.
responsible
C.
impressed
D.
shocking
【多选题】下列对淋巴丝虫生活史的描述哪些是正确的
A.
人是终宿主，蚊为中间宿主
B.
成虫寄生于淋巴系统
C.
成虫产出虫虫卵发育为微丝蚴
D.
微丝蚴在蚊体内发育为丝状场
E.
丝虫由蚊传播，丝状蚴经皮肤感染人体
【单选题】Even after the speech was over, the audience ______ leave because they were so deeply moved.
A.
shouldn't
B.
mustn't
C.
couldn't
D.
wouldn't
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