皮皮学，免费搜题
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搜题
【单选题】
病毒的功能蛋白是A.
早期蛋白
B.
衣壳蛋白
C.
刺突糖蛋白
D.
包膜蛋白
E.
晚期蛋白
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参考解析：
知识点：
皮皮学刷刷变学霸
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【简答题】What does the author mean by saying 'the timing was off' ( Line 4, Para.3 ) ? （ ）
【单选题】What does the word 'constant' （Line 2， ParA．3） mean in the passage? 查看材料
A.
The same.
B.
Amount.
C.
Going up and down.
D.
Changing.
【单选题】5 Stall in Para 3 means________.
A.
a place where magazines and newspapers are sold
B.
a place where freebies can be available
C.
a large table on which you can put goods that you want to sell or information you want to give to people
D.
a small table with the products of health care, counselling, welfare services and other agencies laid out
【单选题】Stall in Para. 3 means .
A.
a place where magazines and newspapers are sold
B.
a place where freebies can be available
C.
a large table on which you can put goods that you want to sell or i nformation you want to give to people
D.
a small table with the products of health care, counseling, welfare services and other agencies laid out
【单选题】Stall in Para 3 means ________ .
A.
a place where magazines and newspapers are sold
B.
a place where freebies can be available
C.
a large table on which you can put goods that you want to sell or information you want to give to people
D.
a small table with the products of health care, counselling, welfare services and other agencies laid out
【简答题】简述谐波增压控制系统工作过程。
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