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【单选题】
关于记忆细胞的错误理解是( )。A.
已经接受抗原刺激
B.
仅限于B细胞
C.
不需要非T细胞参与
D.
释放细胞因子引起迟发型炎症
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【简答题】看算珠认数。 5个十和9个一是（ ） 4个十和1个一是（ ） 一个百是（ ） 6个十是（ ）
【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】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】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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