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【单选题】

Comprehension exercises

I. Select the most appropriate answer for each of the following questions based on the text.

The phrase "come under fire" in the first sentence means "____".

A.
be criticized
B.
be on fire
C.
be publicized
D.
be shot
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【单选题】尿嘧啶的分解产物是
A.
β-丙氨酸
B.
β-氨基异丁酸
C.
尿酸
D.
谷氨酰胺
E.
氨基甲酰磷酸
【单选题】________his famous number 23 shirt, Michael Jordan became the most successful basketball player in the history of the game.
A.
wearing
B.
wears
C.
worn
D.
To wear
【单选题】Jordan began his professional basketball carer________________.
A.
when he was only a freshman
B.
when he was chosen to join the Chicago Bulls
C.
after he won a gold medal in the Barcelona Olympics
D.
after he got his Bachelor of Arts degree
【单选题】Jordan kept his illness from his opponents before the final game ________ they might know about it.
A.
now that
B.
on condition that
C.
for fear that
D.
in order that
【简答题】Jordan had 3 hits in his first 4 baseball s and 4 hits in his next 4 s. What is the average number of hits Jordan had in all of his s?
【单选题】胸腺嘧啶的分解产物是
A.
β-丙氨酸
B.
β-氨基异丁酸
C.
尿酸
D.
谷氨酰胺
E.
氨基甲酰磷酸
【判断题】算法运行时间待见的大略估算一般都按平均情况进行估算
A.
正确
B.
错误
【单选题】使用下列哪种语句可以修改数据表( )。
A.
ALTER DATABASE
B.
ALTER TABLE
C.
DROP TABLE
D.
DROP TABLE
【判断题】Jordan began his professional basketball career when he was chosen to join the Chicago Bulls.
A.
正确
B.
错误
【单选题】使用下列哪种语句可以修改数据库( )
A.
CREATE DATABASE
B.
CREATE TABLE
C.
ALTER DATABASE
D.
ALTER TABLE
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