问题
选择题
从生物学角度讲，随地吐痰的害处主要是 [ ]
A．痰中往往有病原微生物
B．痰中有尘土
C．行为不文明
D．痰中有黏液
答案
答案：A
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从生物学角度讲，随地吐痰的害处主要是 [ ]
A．痰中往往有病原微生物
B．痰中有尘土
C．行为不文明
D．痰中有黏液
答案：A
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| Two men are walking in the park. One is Mr Brown, a worker, __1__ is Mr. Black. Mr. Brown is going to a __2__ . It is __3__ the road. Mr Black is __4__ him. Mr Brown finds Mr Black. Now Mr Br own begins to walk faster. Because he wants to __5__ the chair before Mr Black. Now Mr Black begins to walk faster because he__6__ wants to reach the chair first. Then they both run. Mr Black runs faster than Mr Brown. __7__ Bhe gets to the chair first and __8__ on it. Mr Brown runs after Mr Black. When he gets to the chair, he __9__ Mr Black sitting on it. He is sorry to show a notice (通知) with the words"Wet Paint (油漆未干)" to Mr Black. Now Mr Black knows __10__ Mr Brown is going to the chair. | |||
| ( ) 1. A. other ( ) 2. A. desk ( ) 3. A. next ( ) 4. A. before ( ) 5. A. get ( ) 6. A. also ( ) 7. A. So ( ) 8. A. stand ( ) 9. A. look ( ) 10. A.why | B. others B. chair B. behind B. after B. arrive B. too B. Because B. sit B. looks at B. because | C. the other C. car C. next to C. with C. get to C. either C. And C. sit down C. see C. what | D. the others D. tree D. in the front of D. of D. reach to D. never D. But D. stand up D. sees D. where |