肝炎病毒中,由粪-口途径传播的有()、();由血液和垂直途径传播的有()。
参考答案:甲肝;戊肝;乙肝
设有以下说明和定义: #include<iostream. h> Void main() typedef union long i; int k[5]; char c; DATE; struct date int cat; DATE cow; double dog; too; DATE max; cout<<(sizeof(struct date)+sizeof(max))<<end1;
A. 26 B. 52C. 18 D. 8
The geography teacher told his student that the earth ________around the sun .
A.traveled
B.travels
C.would travel
D.travelling