已知int x=1，y；，执行下述语句后变量x的值是( )。 y=++x＞5＆＆++x＜10；
A．1 B．2C．3 D．4
参考答案：B
Had the boy worked harder, he ______ the exam.
A．must have got through
B．could get through
C．ought to get through
D．would have got through
下列理化性质对外源化学物毒性有影响的有（）。
A、脂/水分配系数
B、电离度
C、挥发度和蒸汽压
D、分散度
