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【单选题】
人体感染乙肝病毒后，很难在血清中查出的抗原是( )。A.
HBsAg
B.
HBcAg
C.
HBeAg
D.
PreS1
E.
PreS2
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举一反三
【单选题】ndarray对象实例a,代码如下:
A.
port numpy as np
B.
= np.array([[0, 1, 2, 3, 4],
C.
, 8, 7, 6, 5]])
D.
shape的执行结果是什么:
E.
[5, 2]
F.
(5, 2)
G.
[2, 5]
H.
(2, 5)
【单选题】How dirty the tables are! They need _____. [ ]
A.
to clean
B.
clean
C.
cleaning
D.
cleaned
【简答题】请听下面一段材料，回答第1至4题。 1. What does the speaker want to tell the audience about? [ ] A. Some kinds of money used in the early days. B. The things which will serve as money in the future. C. The develop...
【简答题】根据下列句子及所给单词的首字母，在答题纸上按题号写出各单词正确的完全形式(每空限写一词)。 小题1:Be quiet and pay a_________ to what I am saying. 小题2:It’s a real b_________ because you only paid 10 dollars for such a nice necklace . 小题3:After year...
【简答题】听下面一段材料, 回答第1~4题. 1. Why did the Indians dance? A. They were happy. B. They were satisfied. C. They wanted to get rain. 2. What did they dance with? A. Cod. B. The snakes. C. The seeds. 3. How do peop...
【单选题】ndarray对象实例a,代码如下:
A.
port numpy as np
B.
= np.array([[0, 1, 2, 3, 4],
C.
, 8, 7, 6, 5]])
D.
itemsize的执行结果是什么:
E.
4
F.
32
G.
10
H.
2
【单选题】To Indians, what is the left hand used for?
A.
Serving dishes.
B.
Passing food at table.
C.
Washing themselves.
D.
Showing disagreement.
【简答题】.How dirty the tables are! They need___. to clean B. clean C.cleaning D. Cleaned
【单选题】Section A Directions: In this section, there are 10 incomplete sentences. You are required to complete each one by deciding on the most appropriate word or words from the 4 choices marked A , B, C, an...
A.
where
B.
the place
C.
which
D.
what
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