理化因素可对病毒产生一定的影响，下列描述中不正确的是（）。
A.多数病毒耐冷不耐热
B.多数病毒在pH5～9范围内稳定，强酸、强碱条件下可被灭活
C.X射线、γ射线和紫外线都能灭活病毒
D.乙醚、氯仿、去氧胆酸盐、阴离子去污剂等能使包膜病毒的包膜破坏溶解，病毒失去吸附能力而灭活
E.现有抗生素对病毒可有一定抑制作用
参考答案：E
| 阅读理解。 | ||
| Come and see the India elephants and the new tigers from Amercia. The bears are waiting to meet you, and the monkeys from China are waiting to throw (扔) things to you. The lovely dogs from Australia are waiting to laugh at you. The giraffes from Brazil are waiting to look down on you.
| ||
| 1. How many kinds of animals are talked about in the passage? | ||
| A. four B. five C. six D. seven | ||
| 2. Now Mr Smith is in the zoo with his two sons, one is 14 and the other is is 10. How much are the tickets together (总共)? | ||
| A. $4.00 B. $2.00 C. $3.00 D. $10.00 | ||
| 3. Which of the following is the visiting time? | ||
| A. 8:30 am Monday B. 9:30 am Friday C. 3:00 pm Sunday D. 5:00 pm Tuesday | ||
| 4. From the passage we can guess the animal "giraffe" must be very__________. | ||
| A. fat B. long C. strong D. tall | ||
| 5. Which of the following can we do in the zoo? | ||
| A. to give some food to the fish C. to throw (扔) things everywhere B. to touch the monkey on the head D. to keep the zoo clean |