1袋食盐重500克，______袋这样的食盐重3千克．
3千克=3000克，
3000÷500=6（袋）；
答：6袋食盐重3千克．
故答案为：6．
The famous reporter, who is said to have gone back to America last year, _____in China for almost
twenty years.[ ]
A. lived
B. was living
C. has lived
D. had lived
23℃时玻璃幕墙用结构胶标准条件拉伸粘结强度应（）。
A.≥0.9Mpa
B.≥0.75Mpa
C.≥0.60Mpa
D.≥0.45Mpa
