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【判断题】
未成熟 B 细胞表面的 mlgM ,如果能与自身抗原结合,便会凋亡,而导致克隆清除,形成自身免疫耐受。A.
正确
B.
错误
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举一反三
【单选题】Many people agree that _________ knowledge of English is a must in _________ international trade today.
A.
a; /
B.
the; an
C.
the; the
D.
/; the
【简答题】筋的加厚方向有()个
【单选题】Some experts hold the view that knowledge is now everything for people . They think people’s moral character is ______as _____they have learned .
A.
as much of importance; what
B.
as much of importance; which
C.
as much important; that
D.
important as much ; which
【简答题】He＿＿＿people with less knowledge than he has．
【单选题】a. The speaker is certain that people go traveling to increase their knowledge. b. The speaker is not sure whether people go traveling to increase their knowledge .
A.
The speaker is certain that people go traveling to increase their knowledge.
B.
The speaker is not sure whether people go traveling to increase their knowledge .
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