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【单选题】
筛管分子最明显的特征是其A.
侧壁具筛域
B.
为具核的生活细胞
C.
端壁具筛板
D.
有筛域 , 筛板而无核的生活细胞
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【简答题】如果有变量定义:int a=12,n=5;则表达式:a%=(n%=2) 的值为____。
【单选题】If you like, you can bring some fruit or sweets, or, especially if there is a __________, some flowers.
A.
host
B.
hostess
C.
hostel
D.
hosting
【简答题】阅读理解。 I am especially interested in eco-friendly cars. Would you please give me some help? -John Lily John Lily, More and more automobile companies are taking measures to create cars that do less harm...
【单选题】听力原文：The auditorium was packed with people standing in the aisles, especially some young fans who want to meet the singer face to face. (23)
A.
The singer attracted some young people.
B.
People are packing to leave.
C.
The audience was packing to meet the fans.
D.
There is no chair in the auditorium.
【简答题】At some time in your life，you might have a roommate．It is a good idea to share a flat，especially for students or people who have just finished school，because flats are usually expensive．And m 小题1: is ...
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