【判断题】下列语句(1)是否正确? class A{ }; int main(){ A a; //语句(1) return 0; }
【简答题】供油提前调节器的作用是按发动机( )的变化自动调节供油提前角,以改变发动机的性能。
【判断题】建环专业对应的硕士阶段的学科名称为供热、供燃气、通风及空调工程
【单选题】How long does it take to get to Turner’s Street if the man walks?
B.
About one hour and a half.
【判断题】下列语句(1)是否正确? class A{ public: A(int i){ m=i;} private: int m; }; int main(){ A a; //语句(1) return 0; }
【单选题】HCl标定时三次平行测定浓度是0.1025、0.1024、0.1026(mol/L),其相对极差为( )%
【单选题】KMnO4标定时三次平行测定浓度分别是0.0225、0.0224、0.0227(mol/L),其相对极差为
【单选题】Which of the following is NOT true about dieting?
A.
Dieting is about changing one's eating habits.
B.
Dieting does not necessarily mean eating less than one used to.
C.
Dieting does not necessarily mean losing weight.
D.
Losing weight is bound to cause great health problems.