第5题: [单项选择]A mutation (is result) of a definite biochemical (change) in a gene that causes the offspring to vary in (some) characteristic (from) the parents. A. is result B. change C. some D. from 参考答案:A
public: MyClass( ) MyClass(int i)value=new int(i); int * value; ; 若要对value赋值,则下面语句正确的是( )。 A. MyClass my;my.value=10; B. MyClass my;*my;*value=10; C. MyClass my;my.*value=10; D. MyClass my(10); 参考答案:D
第24题: [单项选择]This is one of the most beautiful pictures of scenery that ______ displayed here. A. is B. are C. has been D. have been 参考答案:D 答案解析:定语从句的先行词(pictures)是名词复数时,从句中的谓语动词用复数形式(that代表 pictures)。这里时间是从过去到现在,所以应用现在完成时。选项D是正确的。[句子大意]这是这里展出的最