1. [单选题]The writer explains the boiling water by using ______.
A. myths
B. humor
C. facts
D. arguments
2. [单选题]下列各项中，不属于腹部体表标志的是( )
A. 麦氏点
B. 耻骨联合
C. 脐
D. 髂嵴
E. 腹直肌外缘
3. [单选题]下列属于r-对策生物的是( )
A. 老虎
B. 大熊猫
C. 猫头鹰
D. 蝗虫
4. [单选题]Which sport has the most expenses_________ training equipment, players' personnel equipment and uniforms?
A. in place of
B. in terms of
C. by means of
D. by way of
5. [单选题]大环境的气象条件称为大气候(macroclimate)，大气候(macroclimate)是记录离地面一定高度的平均气象条件，这一高度在( )
A. 1～3m
B. l.5m以上
C. 1.5m以下
D. 无限制
