| A.苍蝇 | B.蜻蜓 |
| C.蝴蝶 | D.蚊子 |
| A.25 | B.250 |
| C.2, 500 | D.2, 500,000 |
| A.get angry with you | B.be afraid of you |
| C.make a lot of noise | D.choose another one |
| A.when you’re playing | B.because you have chosen it |
| C.too quickly to let you know | D.but doesn’t like you |
| A.Male mosquito doesn’t bite. |
| B.Mosquitoes need blood to lay eggs. |
| C.The itching begins after the mosquito bites you. |
| D.All the mosquitoes don’t like to bite people for blood. |