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【单选题】
一条直线的正反坐标方位角之间互差( )A.
180°
B.
360°
C.
90°
D.
-90°
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皮皮学刷刷变学霸
举一反三
【单选题】Most people want to work, but it has become more difficult in today's world to find work for everybody. The economies(经济) of the world need to grow by 4% each year just to keep the old number of jobs ...
A.
people will have no jobs
B.
people can still have jobs as before
C.
4% of the people will have jobs
D.
97% of the people will have jobs
【单选题】Participation in the Olympic Games is looked upon as an honor as well as an achievement.（ ）
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】关于查询语句中ORDER BY子句使用正确的是()。
A.
如果未指定排序字段,则默认按递增排序
B.
如果降序排列,则必须使用ASC关键字
C.
连接查询不允许使用ORDER BY子句
D.
ORDER BY子句后面可以是一个字段,也可以是多个字段
【简答题】Global warming is one of the most pressing environmental issues today.
【单选题】有关体循环与肺循环的说法，何者错误
A.
肺循环又叫小循环 B ．体循环又称大循环 C ．肺循环始于体循环之先 D ．体循环主要是进行物质交换
B.
体循环又称大循环
C.
肺循环始于体循环之先
D.
体循环主要是进行物质交换
【单选题】What soup does Karl order?
A.
Potato soup.
B.
Cream soup of broccoli.
C.
Vegetable beef soup.
D.
Thick bean soup .
【单选题】有关体循环与肺循环的说法,何者错误
A.
体循环又称大循环
B.
肺循环始于体循环之先
C.
肺循环主要是进行气体交换
D.
肺循环又叫小循环
E.
肺循环与体循环通过心脏而沟通
【单选题】Which of the following is NOT the correct author order?
A.
The first author is the lead author.
B.
The first author designs the research.
C.
The first author is the principal investigator.
D.
The first author is responsible for most of the work.
【单选题】有关体循环与肺循环的说法,何者错误
A.
肺循环又叫小循环
B.
体循环又称大循环
C.
肺循环始于体循环之先
D.
体循环主要是进行物质交换
E.
体循环与肺循环通过心脏而沟通
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