【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】关于查询语句中ORDER BY子句使用正确的是()。
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.
【多选题】根据血液循环的途径,起始于左心室的循环( )。
【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
【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】Which of the following does NOT the man order?