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【单选题】
以下哪一种不是化学毒物出现选择毒性的原因:A.
物种和细胞学差异
B.
生物所接触的毒物剂量的差异
C.
不同组织器官对化学毒物亲和力的差异
D.
不同组织器官对化学毒物所致损害的修复能力的差异
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【简答题】The commander ordered that we (withdraw) ______ as soon as possible.
【简答题】The order from the commander was that the troops ______ (立即开拔去前线).
【单选题】It is usual to classify types of production as job production, batch production and flow production. In job production, products are supplied to the special requirements of a customer, and the whole p...
A.
displayed at different locations
B.
produced by different production methods
C.
designed by different specialists
D.
sold at different markets
【简答题】The commander ordered his troops stationed on the top of the hill. A B C D
【单选题】The commander of a rescue unit designated to co-ordinate search and rescue operations within a specified area is the（）.
A.
General commander
B.
Commander general
C.
Search commander
D.
On-scene commander
【单选题】The attainable production points on a production possibility curve are:
A.
the horizontal and vertical intercepts.
B.
the points along the production possibilities frontier.
C.
the points outside the area enclosed by the production possibilities frontier.
D.
the points along and inside the production possibility frontier.
【多选题】The production can be generally classified into three different kinds of production types:
A.
Single production
B.
Job production
C.
Batch production
D.
Mass production
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