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【单选题】
有一个氧气瓶,它的容积是 10dm 3 ,里面装有密度是 5kg/m 3 的氧气,在某次抢救病人中,用去了一半的氧气,则瓶内剩余氧气的密度是( )A.
． 1kg/m 3
B.
． 2kg/m 3
C.
． 2.5kg/m 3
D.
． 5kg/m 3
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举一反三
【单选题】Which of the following statements is NOT the feature of a topic sentence?
A.
A topic sentence is an integrated sentence illustrating the general idea of a paragraph
B.
There are usually two or three topic sentences in a paragraph
C.
A topic sentence is composed of a topic and controlling ideas.
D.
Usually there is only one topic sentence in a paragraph.
【单选题】For the types of topic sentence, what is one of the exceptions mentioned?
A.
Topic sentence at the end
B.
Main idea in more than one sentence
C.
Topic sentence in the middle
D.
Topic sentence at the beginning
【单选题】Can this sentence be a topic sentence? That student received a score of 125 on an IQ test.
A.
It is too general to be a topic sentence.
B.
It is too specific to be a topic sentence.
C.
It is an acceptable topic sentence.
【多选题】Which is NOT true about topic sentence?
A.
A good topic sentence always contains a topic and a controlling idea.
B.
The topic sentence is one sentence only and could not be two or three sentence long.
C.
The key word in the heading or subheading could be used as topic for topic sentence.
D.
The controlling idea always come second in research paper.
【单选题】A good topic sentence follows certain principles except that __________.
A.
the topic sentence should be an objective fact instead of a subjective opinion
B.
the topic sentence should be neither too general nor too specific
C.
the topic sentence should be a complete sentence rather than a question
D.
the topic sentence should have one single topic
【单选题】Which paragraph lacks a topic sentence?
A.
Paragraph 2 lacks a topic sentence.
B.
Paragraph 3 lacks a topic sentence.
C.
Paragraph 4 lacks a topic sentence.
【单选题】Each sentence after the topic sentence _____.
A.
explains another topic.
B.
restates the thesis.
C.
works to support and prove the idea of the topic sentence.
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