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【单选题】
列主元消去法第一次选主元是( )。
A.
选择第一列当中绝对值最大的
B.
选择所有元素当中绝对值最大的
C.
选择第二列中绝对值最大的数
D.
都不对
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举一反三
【单选题】Which of the following statements is most precise in introducing the economic development of China?
A.
The growth rate of China’s GDP has been remaining above 6 percent this year.
B.
GDP of China advanced almost the same in the March quarter of 2019 as in the previous quarter.
C.
The economy of China advanced 6.4 percent year-on-year in the March quarter of 2019, slightly above market expectations of a 6.3 percent expansion.
D.
China’s GDP advanced 6.4 percent year-on-year in the March quarter of 2019, the same pace as in the previous quarter but slightly above market expectations of a 6.3 percent expansion.
【单选题】In what way are the detective story and the thriller unlike?
A.
In introducing violence.
B.
In providing excitement and suspense.
C.
In appealing to the intellectual curiosity of the readers.
D.
In ensuring that everything comes tight in the end.
【多选题】【例题·多选题】(2018年)下列各项中,属于工业企业其他业务收入的有( )。
A.
出售辅料取得的收入
B.
出售包装物取得的收入
C.
出售设备的净收益
D.
出租包装物取得的收入
【多选题】(2018年)下列各项中,属于工业企业其他业务收入的有( )。
A.
出售辅料取得的收入
B.
出售包装物取得的收入
C.
出售设备的净收益
D.
出租包装物取得的收入
【单选题】In what way are the detective story and thriller unlike?
A.
In introducing violence.
B.
In providing excitement and suspense.
C.
In appealing to the intellectual curiosity of the reader.
D.
In ensuring that everything comes right in the end.
【多选题】(2018年)下列各项中,属于工业企业其他业务收入的有( )。
A.
出售辅料取得的收入
B.
出售包装物(单独计价)取得的收入
C.
出售设备取得的净收入
D.
出租包装物取得的收入
【单选题】心源性呼吸困难最先出现的是
A.
急性肺水肿
B.
阵发性夜间呼吸困难
C.
劳力性呼吸困难
D.
心源性哮喘
E.
端坐呼吸
【单选题】Which sentence in the following is introducing the feature of a product?
A.
How can I pause the machine?
B.
TAS 4 is a comprehensive Internet security system including a firewall and antispyware.
C.
You won’t find this feature in any other microwaves.
【多选题】Which can be used in introducing the topic in delivering a presentation?
A.
I'm going to be talking about...
B.
I'd like to talk about...
C.
What I mean is...
D.
How does it work?
【单选题】Which of the following statements is most precise in introducing the economic development of China?
A.
The economy of China advanced 6.4 percent year-on-year in the March quarter of 2019, slightly above market expectations of a 6.3 percent expansion.
B.
GDP of China advanced almost the same in the March quarter of 2019 as in the previous quarter.
C.
The growth rate of China’s GDP has been remaining above 6 percent this year.
D.
China’s GDP advanced 6.4 percent year-on-year in the March quarter of 2019, the same pace as in the previous quarter but slightly above market expectations of a 6.3 percent expansion.
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