在进行防火教育时,训练课程首先应该集中在防火问题上,其次才是灭火。
参考答案:对
―Hurry up, we must be the first to interview the pop star.
―Sure. ________.
A.Many hands make light work
B.The early bird catches the worm
C.East or West, home is the best
D.Practice makes perfect
肺癌与嗜铬细胞瘤都可能出现()
A.高血钙
B.低血钙
C.高血糖
D.低血糖
E.低血钾