皮皮学，免费搜题
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【单选题】
中国( )试爆成功第一枚核弹A.
1964-02-01
B.
1966-02-01
C.
1964-10-01
D.
1966-10-01
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】— You used to the bus to school, didn’t you?— Yes, I did. However, I am used to to school
A.
— You used to ____ the bus to school, didn’t you? — Yes, I did. However, I am used to ____ to school now. A．take; walk
B.
take; walking
C.
taking; walking
D.
taking; walk
【单选题】细菌具有各自独特的酶系统，因而对底物的分解能力各异，其代谢产物不同，具此特点可鉴定细菌。
邻单胞菌属与气单胞菌属鉴别，可选择的试验是
A.
凝固酶试验
B.
糖（醇、苷）类发酵试验
C.
氧化-发酵试验
D.
脂酶试验
E.
O/129抑菌试验
【判断题】Dawn Schamp had been a primary school teacher before joining British Rail.
A.
正确
B.
错误
【判断题】The British Rail faces a problem that women don't consider careers on the trains.
A.
正确
B.
错误
【简答题】British Rail are going to place an order for a hundred and eighty-eight trains.
【简答题】Please write down the number of cummuters who went to work by British Rail.
【简答题】听音，选择你所听到的句子。 ( ) 1. A. I walk to school. B. I walked to school. C. I talked to you. ( ) 2. A. I looked at a picture. B. I look at a picture. C. I look at a map. ( ) 3. A. Today I go to sc...
【多选题】对细菌合成的代谢产物表述错误的是
A.
热原质大多数为革兰阳性菌合成
B.
不同细菌产生不同的色素，在鉴别细菌上有一定意义
C.
细菌不能产生抗生素
D.
某些细菌产生的细菌素作用范围广泛
【单选题】British Rail are going to place an _______ for a hundred and eighty-eight trains.
A.
structure
B.
hierarchy
C.
order
D.
hierarchies
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