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【单选题】
在体内一般以5聚体形式存在的免疫球蛋白是
A.
IgG
B.
IgD
C.
IgE
D.
IgM
E.
IgA
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举一反三
【判断题】糖原是种细胞器。
A.
正确
B.
错误
【判断题】糖原也是一种细胞器
A.
正确
B.
错误
【简答题】连一连。 ①个位是5 65 ②个位和十位相同 49 ③4个十和9个一 77
【简答题】It was my father's wish in his will that I ________ become a doctor. A) should B) would C) might D) could
【单选题】设 A 为 【图片】 矩阵, 则 【图片】 为正定矩阵的充分必要条件是 r(A) = _________.
A.
1
B.
2
C.
3
D.
4
【简答题】设A是【图片】矩阵,r(A)=2,B是【图片】矩阵,B的列向量是Ax=0的解,则r(B)的最大值为________。
【单选题】听力原文:M: Who came up with the idea of Father's Day? W: Her name was Sonora Louise Smart Dodd and she lived in Spokane, Washington. Sonora was the oldest of six children raised by their father, William ...
A.
Because she thought man and woman should be equal.
B.
Because the president Washington asked her to do so.
C.
Because she wanted to show respect to her father who brought up six children.
D.
Because she could not celebrate Mother's day.
【单选题】听力原文:M: My father can do cooling carpentry, and a bit of gardening. W: He's a Jack of all trades, really. Q: What does the woman mean? (16)
A.
The man's father works for Jack.
B.
The man's father has talent in trade.
C.
The man's father has many different skills.
D.
The man's father does many jobs at the same time.
【单选题】德意志第三帝国之前的独裁与希特勒时期的独裁的根本不同之处在于:()。
A.
与传统文化相结合
B.
经济迅速发展
C.
利用现代化技术手段进行的独裁
D.
范围更广阔的独裁
【单选题】听力原文:M: Who came up with the idea of Father's Day? W: Her name was Sonora Louise Smart Dodd and she lived in Spokane, Washington. Sonora was the oldest of six children raised by their father, William ...
A.
Because she thought man and woman should be equal.
B.
Because the president Washington asked her to do so.
C.
Because she wanted to show respect to her father who brought up six children.
D.
Because she could not celebrate Mother's day.
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