第1题
常用的生物医学书目数据库是()。
A. Pro Quest数据库
B. Gen Bank数据库
C. EMBASE. com
D. Net Library
第4题
赋值语句的文法及语义动作描述如下: (1)A→i:=E {GEN(:=,E.PLACE,_,ENTRY(i))} (2)E→E1+E2 {E.PLACE:=NEWTEMP;GEN(+,E1.PLACE,E2.PLACE,E.PLACE)} (3)E→E1*E2 {E.PLACE:=NEWTEMP;GEN(*,E1.PLACE,E2.PLACE,E.PLACE)} (4)E→-E1 (E.PLACE:=NEWTEMP;GEN(@,E1.PLACE,_E.PLACE)} (5)E→(E1) {E.PLACE:=E1.PLACE} (6)E→i {E.PLACE:=ENTRY(i)} 其中,GEN(:=,E.PLACE,_,ENTRY(i))表示把四元式(:=,E.PLACE,_,ENTRY(i)填入四元式表。ENTRY(i)表示i所代表的量在符号表的入口地址。E.PLACE表示存放E值的变量名在符号表的入口地址。 请写出赋值语句X:=-B*((C+D)+A的自下而上的语法制导翻译过程。
第5题
Which is NOT a possible cause of mental retardation?
A.Alcohol or drug abuse.
B.Abnormal genes from the parents.
C.a well-planned pregnancy.
D.Problems during childbirth.
第6题
第8题
Which of the following phrases indicates a predicate-object relationship?
A.the younger generation"s education
B.the ocean"s roar
C.China"s territory
D.Renmin Ribao"s editorials
第9题
Some people feel that apes should be given special treatment because ______.
A.they are genetically similar to humans
B.they can help find a cure for "mad cow" disease
C.they possess a consciousness superior to humans
D.they are treated poorly by scientists
第10题
By saying "suffering can be a blessing", the author means that ______.
A.a bad thing is generally followed by a good thing
B.it is hard to tell a bad thing from a good thing
C.a bad thing sometimes can do good to people
D.a thing bad to one person may be good to another
第11题
Which is TRUE about IQ test according to the passage?
A.People who has a higher IQ is a genius.
B.IQ test measures a limited part of a person's intelligence.
C.High test scores have little to do with real genius.
D.There is still a controversy on whether IQ test can tell all about the genius.