题目

Directions: Read the following two passage. Each passage is followedby several questions or unfinished statements. For each of them there are fourchoices marked A, B, C and D. Choose the one that fits best according to theinformation given in the passage you have just read. I had always been oneof those quiet boys who preferred dreams to the real world. I was, in addition,absurdly shy, and therefore often mistaken for a fool, which upset me deeply.For nothing terrified me more than the prospect of correcting a falseimpression. Though I was often blamed by mistakes made by my classmates, Inever用稀释涂布平板法来统计样品中活菌的数目时，其结果与实际值相比（    ） A.比实际值要高           B.比实际值要低    C.和实际值一样           D.比实际值可能高也可能低