问题
选择题
下列生物属于病毒的是（ ）
A．酵母菌
B．噬菌体
C．变形虫
D．蚜虫
答案
A、酵母菌是真菌，A不正确；
B、噬菌体属于细菌病毒，B正确；
C、变形虫是原生动物，C不正确；
D、蚜虫是节肢动物，D不正确．
故选：B．
搜题请搜索小程序“爱下问搜题”
下列生物属于病毒的是（ ）
A．酵母菌
B．噬菌体
C．变形虫
D．蚜虫
A、酵母菌是真菌，A不正确；
B、噬菌体属于细菌病毒，B正确；
C、变形虫是原生动物，C不正确；
D、蚜虫是节肢动物，D不正确．
故选：B．
| 阅读理解。 | |
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| 1. Which one is fifty dollars? |
[ ] |
| A. Fried chicken B. Tea C. Juice D. All of the above |
| 2. Bill wants fried chicken and tea, and his girlfriend does, too. How much do they have to pay (付)? |
[ ] |
| A. One hundred (百) dollars. B. One hundred and fifty dollars. C. Two hundred dollars. D. Two hundred and fifty dollars. |
| 3. Harry has only $75. What can he have for lunch? |
[ ] |
| A. A sandwich and a Coke. B. A hamburger and a juice. C. Fries and coffee. D. Anything he likes. |
| 4. When is the restaurant (饭店) NOT open? |
[ ] |
| A. On Tuesday morning. B. On Sunday evening. C. On Wednesday afternoon. D. On Thursday night. |
| 5. How many days a week is the restaurant open? |
[ ] |
| A. Two days. B. Five days. C. Six days. D. Seven days. |