问题
单项选择题
细菌中最小者可用于检查滤菌器效果的是
A．大肠埃希菌
B．金黄色葡萄球菌
C．蜡样芽胞杆菌
D．草绿色链球菌
E．黏质沙雷菌
答案
参考答案：E
解析： 本题要点为黏质沙雷菌形态结构，黏质沙雷菌是细菌中最小者，可用于检查除菌滤器的除菌效果。
搜题请搜索小程序“爱下问搜题”
细菌中最小者可用于检查滤菌器效果的是
A．大肠埃希菌
B．金黄色葡萄球菌
C．蜡样芽胞杆菌
D．草绿色链球菌
E．黏质沙雷菌
参考答案：E
解析： 本题要点为黏质沙雷菌形态结构，黏质沙雷菌是细菌中最小者，可用于检查除菌滤器的除菌效果。
| 阅读理解。 | |||
A man is going to open a shop selling hats. He wanted a good sign to put over his shop. He wrote:
"HATTER". Then he came to another friend for advice. This friend said that it was not polite to say "for ready money". So he crossed out "for ready money". The sign now said:
care who made it. So John crossed out that word, too. But when another friend saw "John Brown Sells Hats", he said, "Of course you sell hats. No one thinks you give them away for free." So, at last the sign read:
| |||
[ ] | |||
| A. pay for the hat here when you buy it B. if you buy the hat you can pay for it in a few days C. hats here are only for the people with much money | |||
| 2. How many friends gave John some advice on how to write the sign? | |||
[ ] | |||
| A. Three. B. Four. C. Two. | |||
| 3. ______ was crossed out first. | |||
[ ] | |||
| A. "John Brown Sells Hats" B. "Hatter" C. "for Ready Money" | |||
| 4. Each friend has ______ thought. | |||
[ ] | |||
| A. no B. the same C. his own | |||
| 5. This story tells us that ______. | |||
[ ] | |||
| A. it isn't possible to please everybody B. it's easy to sell hats C. sellers must please everybody |