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【判断题】
浇口是指浇注系统中从注射机喷嘴与模具浇口套接触处开始到分流道为止的塑料熔体的流动通道，是熔体最先流经模具的部分。A.
正确
B.
错误
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举一反三
【单选题】Look! This is an _____ .And that is an _____ . [ ]
A.
orange; banana
B.
egg; hamburger
C.
apple; egg
D.
egg; pear
【简答题】退保是指由（ ）提出的保险合同的解除。
【单选题】What do you eat for your meal? --- I eat ______ .
A.
a egg and some breads
B.
an egg and some bread
C.
an egg and some breads
【简答题】非霍奇金单克隆抗体靶分子（）。
【简答题】25-year-old Peng Nan has clinched the title “International of Memory” for her a____ _________ memory skills.
【单选题】25-year-old Peng Nan has clinched the title “International Master of Memory” for her ____ memory skills.
A.
amazing
B.
amazed
C.
amaze
D.
amazemnet
【单选题】This is _______ egg. _______ egg is big. [ ]
A.
an; An
B.
the; The
C.
an; The
D.
the; An
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