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【简答题】
判断下列命题是真命题还是假命题,并说明理由. (1)如果ab>0,那么a>0,b>0。 (2)内错角相等。
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【单选题】What kind of difficulties do the sole mothers come across in the labor market?
A.
They will not be offered the opportunity of promotion.
B.
The bosses have a prejudice against them.
C.
They are usually lower paid.
D.
Their jobs are usually not permanent.
【单选题】按自理能力分级划分,患者得分90分的属于()
A.
无需依赖
B.
中度依赖
C.
重度依赖
D.
轻度依赖
E.
特需依赖
【单选题】观察下面的图片,请说明天鹅的迁徙是在( )环境条件变化时的行为。
A.
水源
B.
气候(温度)
C.
空气
【单选题】What did your mother do ______ the market last Sunday?
A.
into
B.
at
C.
to
D.
for
【简答题】C语言中要用到数据输出函数,要在程序中使用预编译指令___________
【单选题】What do market-oriented firms primarily focus their efforts upon?
A.
a.     improving the technological skills and competitive advantages of the firm
B.
b.     satisfying the wants and needs of their customers
C.
c.     achieving the company’s societal responsibilities inexpensively
D.
d.     distributing goods and services
【单选题】热力采油技术包括的种类有( )。
A.
注热水采油;
B.
注蒸汽采油;
C.
火烧油层;
D.
气驱采油。
【单选题】What can the market do for a person who produces goods?
A.
it tells him what to produce.
B.
It teaches him how to grow tomatoes.
C.
It provides him with what he needs.
D.
it helps him to save his cost.
【判断题】需要猎捕国家一级保护野生动物的,应向国务院野生动物保护主管部门申请特许捕猎证。( )
A.
正确
B.
错误
【单选题】建筑产品计价模式中,有利于促进建设市场有序竞争的是()计价模式
A.
定额
B.
批量价格
C.
工程量清单
D.
单价定价
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