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【简答题】
单分型面注塑模又称 __________ 注塑模,是应用最广泛、最简单、最典型的一种,只有一个分型面,开模时,制件与凝料一同取出。
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【简答题】平面机构是所有构件都在 的平面内运动的机构。
【单选题】And just like Brazil and Colombia, there are some local languages _______ have been spoken for thousands of years.
A.
that
B.
who
C.
when
D.
where
【单选题】听力原文： There are some serious problems in the Biramichi River. The local chamber of commerce, which represents the industry in the area, hired me as a consultant to do a one year study on fishing in th...
A.
To study the problems of local industries.
B.
To find ways to treat human wastes.
C.
To investigate the annual catch of fish in the Biramichi River.
D.
To conduct a study on fishing in the Biramichi River.
【简答题】花芽分化的概念是什么?一朵典型的花包括哪几部分?各有什么作用?
【简答题】Are there some local people among the workers on the worksite? _________________.(有的,我们在施工高峰期会招聘几百名本地工人的。)
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