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【单选题】
补体固有成分中,血清浓度最高的是
A.
C3
B.
C5
C.
C1
D.
C4
E.
C2
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举一反三
【单选题】聚类分析按聚类方法可分为系统聚类和( )。
A.
指标聚类
B.
系统聚类
C.
动态聚类
D.
产品聚类
【简答题】It was a long journey, but we ____________ arrived. 旅程很长,但我们最后还是到达了。 火势终于被控制住了。_____________________________ He will _____________ the money in monthly installment. 他将按每月分期付款的方式还钱。 I lent him some mon...
【单选题】层次聚类又称( )聚类
A.
系统聚类
B.
非系统聚类
C.
凝聚方式聚类
D.
分解方式聚类
【多选题】按民俗的内容,民俗可分少(),这是通俗民俗学常用的分类方法。
A.
经济民俗
B.
社会民俗
C.
精神民俗
D.
信仰民俗
E.
游艺民俗
【多选题】层次聚类的聚类方式有( )
A.
凝聚方式聚类
B.
分解方式聚类
C.
Q型聚类
D.
R型聚类
【单选题】听力原文:Seafood prices had come down. The shrimp had been 3 dollars a pound last week by this Monday, it was only two dollars. So I bought 4 pounds. (24)
A.
I paid 4 dollars for the shrimp.
B.
I paid 6 dollars for the shrimp.
C.
I paid 8 dollars for the shrimp.
D.
I paid 12 dollars for the shrimp.
【单选题】属于颠换的碱基替换为( )
A.
A和T
B.
A和G
C.
T和C
D.
C和U
【简答题】请用下列单词填空: What how when where who that if 1) It’s Christmas Day. The children don’t know __________ is in their stockings. 2) David borrowed 200 Yuan from me last week, b...
【单选题】属于颠换的碱基替换为。()
A.
G和T
B.
A和G
C.
T和C
D.
T和U
【单选题】I paid a visit to the small town last week where I was born, which I hadn’t visited for years.
A.
Every time
B.
Once more
C.
On time
D.
Now and then
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