标准状况下,6.02×1023个Cl2所占的体积约是22.4L。
参考答案:对
Harbin No.3 High school is___ school of wonders, ____ school which we students are proud of.[ ]
A. a , a
B. a, the
C. the , a
D. the, the
缺失,唇侧牙槽嵴丰满,突度较大,在设计观测线时,模型倾斜应()
A.向后
B.向前
C.向左侧
D.向右侧
E.以上都不是