Trade relationships between the two countries will improve if their()leaders could agree on the proposed quotas.
A. respectable
B. respective
C. respectful
D. respecting
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以下程序企图把从终端输入的字符输出到名为abc.txt的文件中,直到从终端读入字符#号时结束输入和输出操作,但程序有错。 #include <stdio.h> main( ) { FILE *fout; char ch; fout=fopen(’’abc.txt’’,’’w’’); ch=fgetc(stdin); while(ch!=’’#’’) { fputc(ch,fout); ch =fgetc(stdin); } fclose(fout); } 出错的原因是( )。
A. 函数fopen调用形式有误
B. 输入文件没有关闭
C. 函数fgetc调用形式有误
D. 文件指针stdin没有定义
以下程序运行后的输出结果是【 】 int a=5; fun(int b) { static int a=10; a+=b++; printf("%d ",a); } main( ) { int c=20; fun(c); a+=c++; printf("%d\n",a); }
Any earthquake that takes place in any area is certainly regarded as a kind of a ______ event.
A. cholesterol
B. charcoal
C. catastrophic
D. chronic
阅读下面短文,从短文后所给各题的四个选项([A]、[B]、[C]和[D])中选出能填入相应空白处的最佳选项。 Some students at the Open University left school 20 years ago. (36) are younger but all must be at least 21 years old. This is one example of (37) the Open University is different (38) all the others. Its students must (39) work fulltime or be at home all day. They do not have to (40) any examinations before they are (41) . This is why the university is called "open". It was started (42) order to help people who (43) having a university education when they were young. The first name (44) the open university was "the University of the Air". The idea was to teach (45) the air, in other (46) , on radios and the television. (47) of the teaching is done like this. The student also receives (48) at one of 283 study centers in the country. He must also (49) three weeks every summer as a (50) student. Tutors and students (51) and study together, (52) in other universities. At the end of the Open University’s first year, the (53) were good; three (54) of four students passed their examinations. (55) they do this every year, they will finish their studies in four or five years.
A. instead
B. because
C. out
D. without