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【单选题】
用0.1000mol/L HCl标准溶液滴定0.1000mol/L NaOH溶液的pH突跃范围是4.30~9.70,则用0.01000mol/L NaOH溶液滴定0.01000 mol/L HCl溶液时的pH突跃范围是:A.
4.30～9.70
B.
4.30~8.70
C.
5.30~9.70
D.
5.30~8.70
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【单选题】Why does China plan to send more travelers overseas?
A.
Because China wants to increase its influence on world sports.
B.
Because China hopes to increase its influence on world events.
C.
Because China hopes to increase its influence on Asian events.
D.
Because China wants to increase its influence on its neighbors.
【单选题】The human mind can many tasks that other animals cannot, like using language and judging what other people are thinking．
A.
carry out
B.
take out
C.
put out
D.
bring out
【简答题】Both of the teachers and students believe ______________ (毫无疑问地) that he is honest and dit.
【单选题】Can machines perform. the same tasks______?
A.
that man does
B.
which man does
C.
what man does
D.
as man does
【单选题】--People now can know what' s happening in the world quickly. --You're right. With the help of computers, news can ______ every comer of the world.
A.
get
B.
arrive
C.
return
D.
reach
【单选题】What is NOT the advantage of the new robots?
A.
They can perform. different tasks.
B.
They are easy to reprogram.
C.
They increase productivity.
D.
They perform. a single operation at a time.
【单选题】Why does the writer explain the lack of order and justice in ancient China?
A.
To give details about why no one wanted to listen to Confucius.
B.
To describe the situation in China that Confucius hoped to change.
C.
To point out the impact Confucius had in Chinese society.
D.
To teach about the beginning of the Zhou dynasty.
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