氢氮气在液氨中的溶解度随压力的升高而升高。（）
参考答案：对
As the graduates grew and job opportunites became_________, people were put under high pressure fearing they might lose their jobs at any time.
A．slight
B．stable
C．scary
D．scarce
将测验分数和效标分数制作成双维图表（）。
A.相关法
B.分组法
C.预期表法
D.命中率法
E.功利率法
