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【单选题】
常量元素指在机体中含量大于体重的0.01%的元素,每天需要量在( ) mg以上,又称宏量元素,包括钙、磷、钠、钾、氯、镁、硫等。A.
100
B.
200
C.
300
D.
400
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举一反三
【单选题】在学校,要学会与同学友好相处,创造一个轻松愉快的学习氛围,以下哪一项是正确的?
A.
同学之间要有和解意识,做错了事主动道歉。
B.
“人善被人欺”,即使我错了也要力争到底。
C.
搞好学习就够了,同学之间少来往。
D.
向老师和家长求助。
【判断题】In most cases, it is difficult to recruit person when the unemployment rate is low.
A.
正确
B.
错误
【单选题】在学校，要学会与同学友好相处，创造一个轻松愉快的学习氛围，以下哪一项是正确的？（）
A.
同学之间要有和解意识，做错了事主动道歉
B.
“人善被人欺”，即使我错了也要力争到底
C.
搞好学习就够了，同学之间少来往
【单选题】The bag can be __ on pallets to facilitate handling.
A.
stacked
B.
put
C.
carried
D.
measured
【简答题】Millions of young people are writing blogs. Millions of others are reading them. The word“blog”is a short way of saying Web log. Many popular Web sites now offer free，easy ways to create personal Web ...
【简答题】and【L4】______for millions of young people across the
【判断题】When workers voluntarily leave work while they look for better jobs, the resulting unemployment is called frictional unemployment.
A.
正确
B.
错误
【单选题】Read the following passage and identify the type of reasoning.Historically, the market goes up when there is a bad news on unemployment, and the latest statistics show that unemployment is getting wor...
A.
Reasoning by cause and effect
B.
Reasoning by principle
C.
Reasoning by analogy
D.
Reasoning by definition
【单选题】An economy's natural unemployment rate is 4 percent. The table above gives some points on the economy's short-run Phillips curve. When the unemployment rate is 4 percent ( ).
A.
actual inflation is greater than expected inflation
B.
actual inflation is less than expected inflation
C.
and the inflation rate is 6 percent a year, the short-run and long-run Phillips curves intersect
D.
and the expected inflation rate is 8 percent a year, the short-run Phillips curve shifts downward
相关题目：
【判断题】In most cases, it is difficult to recruit person when the unemployment rate is low.
A.
正确
B.
错误