皮皮学，免费搜题
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【单选题】
下列属于混悬型药剂的是A.
鱼肝油乳
B.
氢氧化铝凝胶
C.
硼砂溶液
D.
E.
风油精
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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
【简答题】British Rail has indeed become more commercial over the past _____(十年)
【判断题】Dawn Schamp had been a primary school teacher before joining British Rail.
A.
正确
B.
错误
【单选题】Who do I go to school with? I go to school with ______.
A.
Kate
B.
Some friends
C.
Jim
【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
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