【单选题】The reason why many production processes were taken by the marketplace was that ______.
A.
it was a necessary step in the process of industrialization
B.
they depended on electricity available only to the market economy
C.
it was troublesome to produce such goods in the home
D.
the marketplace was more efficient with respect to these processes
【单选题】Paragraph 3 __________ 查看材料
A.
Reason why not many scientists carry out this research nowdays
B.
Report about washoe's progress in learning sign language
C.
General information about washoe
D.
The Gardeners' contributions recognized
E.
Debate on chimps' intelligence
F.
Washoe's love for three young chimps
【单选题】加入非竞争性拮抗药后,激动药的量效曲线()
【单选题】纯电动汽车的电池电压在 300v 或以上,任何维修操作都必须 ( )。
【判断题】主板上所能安装的内存最大容量、速度及可使用的内存条类型通常由芯片组决定。
【单选题】加入非竞争性拮抗药后,可使相应受体激动药的量-效曲线
D.
增加激动药的剂量,可以使量-效曲线最大效应恢复到原来水平
E.
减小激动药的剂量,可以使量-效曲线最大效应恢复到原来水平
【单选题】Paragraph 4 __________ 查看材料
A.
Reason why not many scientists carry out this research nowdays
B.
Report about washoe's progress in learning sign language
C.
General information about washoe
D.
The Gardeners' contributions recognized
E.
Debate on chimps' intelligence
F.
Washoe's love for three young chimps