"a sample for ten days free trial" "a trial of progesterone failed to relieve the pain"
"the test was standardized on a large sample of students"
"when the test was stolen the professor had to make a new set of questions"
"he survived the great test of battle" "candidates must compete in a trial of skill"
"in the experimental trials the amount of carbon was measured separately" "he called each flip of the coin a new trial"
"This approach has been tried with good results" "Test this recipe"
"screen the blood for the HIV virus"
"The teacher tests us every week" "We got quizzed on French irregular verbs"
"He tested positive for HIV"
"She tested high on the LSAT and was admitted to all the good law schools"
"She doesn't test well"
误 He put her courage to test.
正 He put her courage to the test.
析 表示“使…经受考验”可以用put sb/sth to the test, test前不可省略定冠词the。
他们的友谊经历了时间的考验。误 Their friendship has passed the test of time.
正 Their friendship has stood〔withstood〕 the test of time.
析 表示“经过时间的考验”可以用 stand〔withstand〕 the test of time,注意 stand 不可换成 pass。