【 】是C++语言程序的入口。
参考答案:main( )函数
解析:考查C++语言的基本概念。main( )是C++语言的入口函数。
The survey shows that ______ we are enjoying less and less good sleep, rates of heart diseases have risen rapidly.
A.while
B.although
C.if only
D.as though
盾构到达前要对盾构状态进行评估。到达前()米内,有关部门会同设备检测中心人员对盾构进行一次状态评估,并将盾构状态评估资料备案保存。
A.200
B.100
C.50
D.20