This kind of sea fish doesn’t keep easily. You had better put it in the refrigerator so that it will fresh.
| A．stay | B．stand | C．remain | D．persist |
第二部分：英语知识运用（共两节，满分45分）
第一节：单项选择（共15小题；每小题1分, 满分15分）
21．The experiment turned out to be______ failure, but as we know, Success often comes after_____ failure.
| A．a；a | B．/；/ | C．a；/ | D．/；a |
5.What the scientist said sounded strange, ______, they made sense.
| A．therefore | B．however | C．besides | D．Otherwise |
Luckily, Chinese medicine is making a difference ______ the disease.
| A．from | B．of | C．with | D．against |
3. I had a fear of height, and the higher I got, the ______ I felt.
| A．worse | B．better | C．bad | D．Good |
2. I don’t think the experiment is ______ failure, because it has provided us with ______ valuable experience for our future tests.
| A．不填; 不填 | B．不填; a | C．a; a | D．a; 不填 |