1.room做空间讲,是不可数名词,所以选Be.g.There is usually room to accommodate up to 80 visitors. 通常可以多能容纳80名来宾.2.room做位置讲,是可数名词,选A 反馈 收藏
nμitgr/omg3enmdiciorox-- grams per cubic matter with an ter < 2.5 μg/m3; aPmeMreot1rdeyp;naPratMmic1iuc0lapdtaeiratmmiceauttletaertr e 1200 ppb is considered within a health risk range, with intermediate figures assumed as acceptable, but not risk-free in adult ...