It would be unwise to ______ too much importance to what he said.
A. pay
B. attach
C. provide
D. indicate
查看答案
What is the main idea of the passage
A. There is little danger of serious after-effects when human beings are deprived of sleep for long periods of time.
B. Going without sleep for a long period will cause bad shortlivede ffects, but apparently no serious after-effects.
C. After 200 hours without sleep Tripp was suffering from "mental ill ness".
D. The doctors predicted Tripp would sleep for twenty or thirty hours.
He usually writes the most important ______ of his lecture on the white board.
A. spot
B. sense
C. point D, element
It was last year when the boy was affected with chicken pox. He should be ______ to it now.
A. subject
B. implicit
C. immune
D. stern
测定油/水分配系数时用的最多的有机溶剂是
A. 三氯甲烷
B. 正丁醇
C. 正辛醇
D. 乙醇
E. 石油醚