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【单选题】
对杆菌肽敏感的乙型溶血性链球菌为（ ）A.
A群链球菌
B.
B群链球菌
C.
C群链球菌
D.
D群链球菌
E.
F群链球菌
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举一反三
【单选题】According to the story, the writer___________.
A.
likes sitting on the bank of the river when it’s fine
B.
rarely goes to the river
C.
likes playing games on the bank
D.
likes rowing on the river on Sundays
【单选题】1 The writer ____
A.
(A) likes sitting on the bank of the river when it's fine
B.
(B) rarely goes to the river
C.
(C) likes sitting on the bank of the river all the time
D.
(D) likes sitting on the bank of the river on Sundays
【简答题】给下列化合物命名或写出结构简式。 1. 2. 3. 4．2，2，5-三甲基-4-异丙基庚烷 5．异戊烷 6．新己烷 7. 8.
【简答题】（10分）命名或写出结构简式：(4) 间甲基苯乙炔 (5) 反－2－戊烯（10分）命名或写出结构简式： (4) 间甲基苯乙炔____ (5) 反－2－戊烯
【单选题】In the passage the writer_______.
A.
encourages people to go to the stock market
B.
assures people that buying stocks is good investment
C.
warns people to be careful in buying stocks
D.
explains how stock goes up when factories or companies run well
【单选题】In what situation does the writer feel out of place?
A.
The writer feels out of place among strangers.
B.
The writer feels out of place among people who like talking about business.
C.
The writer feels out of place when he goes to a party.
D.
The writer feels out of place among people who are primarily interested in material things.
【简答题】用系统命名法命名或写出结构简式： （1）3-甲基-2-丙基-1-戊烯结构简式为______． （2） 名称为______． （3） 名称为：______． （4） 名称为：______．
【单选题】DOM中______方法可用于创建一个元素节点。
A.
document.createElement()
B.
document.createTextNode()
C.
document.createAttribute()
D.
document.createEvent()
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