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【多选题】
As a reader of research papers, titles are important since they give you a quick indication of the content of a paper. Titles are also useful for you when you write your own research paper. Decide which of the following are reasons that a title is useful as a writer of a research paper.A.
If coming up with a title is difficult, it may indicate to the writer that the essay’s main idea or point is unclear.
B.
Creating a title at the end of the writing process can function as a check on the quality of the research paper.
C.
A title chosen early in the writing process can help writers stay on track during the writing process.
D.
A title is in a privileged place in the text, and it draws the reader’s most complete attention. Taking advantage of that fact, the writer can use the title’s privileged position to express ideas clearly and to articulate an argument.
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举一反三
【单选题】Your composition has only a few __ mistakes.
A.
trivial
B.
tedious
C.
turbulent
D.
terrific
【单选题】---- What are you going to do this weekend ? ---- I'm going to do some outdoor activities _______ it rains .
A.
If
B.
unless
C.
because
【单选题】选择填空。 What ______ did she ______ on last Sunday? [ ]
A.
activities, did
B.
activity, do
C.
activities, do
【单选题】Your composition has only a few _____mistakes.
A.
tricky
B.
trail
C.
trivial
D.
tribal
【单选题】判断 101-200 之间有多少个素数,并输出所有素数,算法描述正确的是?
A.
s1: n=101，cnt=0; s2: i=1; s3: 如果n%i==0成立，执行break;否则cnt++,输出n是素数； s4: n++; s7:n<=200成立吗？是返回到s2,否则结束算法。
B.
s1: n=101，cnt=0; s2: i=2; s3: 如果n%i==0成立，执行break;否则s4； s4:i++; s5:i<=n/2成立吗？是返回s3，否则s6; s6:i>n/2成立吗？是则cnt++,且输出n是素数； s7:n++; s8:n<=200成立吗？是返回到s2,否则s9; s9:输出cnt
C.
s1: n=101，cnt=0; s2: i=1; s3: 如果n%i==0成立，执行break;否则s4； s4:i++; s5:i<=n/2成立吗？是返回s3，否则s6; s6:i>n/2成立吗？是则cnt++,且输出n是素数； s7:n++; s8:n<=200成立吗？是返回到s2,否则s9; s9:输出cnt
D.
s1: n=101，cnt=0; s2: i=1; s3: 如果n%i==0成立，执行continue;否则s4； s4:i++; s5:i<=n/2成立吗？是返回s3，否则s6; s6:i>n/2成立吗？是则cnt++,且输出n是素数； s7:n++; s8:n<=200成立吗？是返回到s2,否则s9; s9:输出cnt
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