【单选题】若用半透膜将1mol/LC 6 H 12 O 6 溶液与1mol/LC 12 H 22 O 11 溶液这两溶液隔开,则渗透方向为( )。
A.
1mol/LC 6 H 12 O 6 溶液向1mol/LC 12 H 22 O 11 溶液渗透
B.
1mol/LC 12 H 22 O 11 溶液向1mol/LC 6 H 12 O 6 溶液溶液渗透
【单选题】据不完全统计,战争期间,中国军民伤亡人数、间接经济损失分别是( )
【单选题】LC1-11
A.
Because they work harder.
B.
Because they work longer hours.
C.
Because they have families to support.
D.
Because they are smarter.
【单选题】测量气缸直径时,当量缸表指示到( )时,即表示测杆垂直于气缸轴线
【单选题】测量气缸直径时,当量缸表指示到( )时,即表示测杆垂直于气缸轴线
【单选题】据不完全统计,战争期间,中国军民伤亡人数、间接经济损失分别是( )