【单选题】One turns on the radio while doing something else and ____________ bathes in the sound.
【单选题】Why did Jane visited Helen Burns at night?
A.
Because she was lonely.
B.
Because she wanted to share food with Helen.
C.
Because she wanted to ask Helen to play with her.
D.
Because Helen was dying and that might be the last time she saw Helen.
【单选题】Why did Helen get the modeling job?
A.
She had modeling experience.
B.
She had practiced a lot.
D.
She complained to the right person.
【单选题】According to Helen Smith, why did the men kill others before they commit suicide?
A.
They want to take revenge on the society.
B.
They want to vent their anger on others before they die.
C.
They want companionship instead of loneliness when they die.
D.
They want to satisfy their sexual desire before their death.
【单选题】关于细胞膜的选择性渗透性,下列说法不正确的是()。
A.
它让钠离子不能进入细胞,让钾离子可以流出细胞
B.
细胞膜上的钾钠离子泵让钠离子进细胞膜,让钾离子出细胞膜
【判断题】通信话录装置良好的车站,单机、动车、重型轨道车及特快旅客列车,准许使用列车无线调度通信设备发车。
【单选题】在钻孔过程中,为了防止钻头折断或钻孔倾斜,被钻孔的零件端面应该 于孔的轴线。
【单选题】Q: Why did Helen get the modeling job?
A.
She had modeling experience.
B.
She had practiced a lot.
D.
She complained to the right person.
【多选题】以下关于钠钾泵的说法正确的是:
B.
每次转运可同时泵出3个钠离子和泵入2个钾离子
【单选题】关于钠钾泵说法不正确的是( )。
A.
水解一个ATP,可输出2个钠离子,转入3个钾离子