关于大气污染物的有组织排放,不正确的是
A. 排出高度是指污染物通过烟囱等排放时烟囱的有效排出高度
B. 污染源下风侧的污染物最高浓度与烟波的有效徘出高度的平方成反比
C. 有害气体的烟波着陆点是烟囱有效高度的10-20倍
D. 与污染源的距离是决定大气污染程度的最基本的因素
E. 近地面的大气中污染物的浓度以烟波着陆点处最大
What is the meaning of the italicized word? In contrast, the Congress Party and its allies have been championing the nation's underprivileged.
A. supporting
B. protecting
C. fighting against
D. winning
Concerning the human loss, I can’t help but _______ my sincere condolence.
A. expressing
B. express
C. to express
D. expressed 2
_______ your timely warning, we would have missed this opportunity.
A. Due to
B. Thanks to
C. But for
D. Lest