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【判断题】
当节气门开度不变时,自动变速器升档和降档时刻完全取决于车速。A.
正确
B.
错误
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【简答题】2数控车床的型号标记和普通车床的类似,都是采用______及一组数字组成。
【单选题】?Read the article below about the job of store assistants. ?choose the best word to fill each gap from A, B, C or D. ?For each question (19-33), mark one letter (A, B, C or D) The move to self-service...
A.
stored
B.
provided
C.
stocked
D.
packed
【单选题】?Read this letter about giving presentations. ?Choose the best word to fill each gap. ?For each question (19 -33) , mark one letter (A, B, C or D) on your Answer Sheet. ?One answer has been given as a...
A.
produce
B.
make
C.
construct
D.
build
【简答题】在导体中导电的是 ,在半导体中导电的不仅有 ,而且有 ,这是半导体区别于导体导电的重要特征。
【单选题】•Read the article about packaging and labeling. •Choose the best word to fill each gap from A, B, C or D that follow. •For each Question 21-30, mark one letter (A, B, C or D) on your Answer Sheet. Pac...
A.
goods
B.
cargoes
C.
merchandise
D.
products
【单选题】?Read the article below about the World Trade Organization. ?Choose the best word to fill each gap from A, B, C, or D. ?For each Question 21-30, mark one letter (A, B, C or D) on your Answer Sheet. Th...
A.
formation
B.
framework
C.
forward
D.
fronted
【多选题】以下关于防己的性状特征,描述正确的是
A.
表面淡灰黄色,弯曲处有深陷的横沟
B.
不规则圆柱形,屈曲不直
C.
质坚实,断面凹凸不平,灰白色
D.
木部大,有稀疏的放射状纹理
E.
气微,味苦
【简答题】现存最早的石刻文字是 。
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