问题
单项选择题
氧气进入人体最终要到达()
A.肺
B.血液
C.细胞
D.心脏
答案
参考答案:C
氧气进入人体最终要到达()
A.肺
B.血液
C.细胞
D.心脏
参考答案:C
用方框内词的适当形式填空。
小题1:Many people lost their ______________in the terrible earthquake . 小题2:--Where will we have our English party this afternoon? -- In the teaching building on the floor. 小题3:It’s raining _______________, so we can’t have sports meeting on time . 小题4:Why not ________________ the lights ? It’s so dark here. 小题5:Light travels ______________ than sound . |