A. grass B. trees and bushes C. plants life and an area

　　D. covering plants that produce grain or vegetables

　　3）Besides growing small plants, another method to fight against soil erosion is to ___________.

　　A. build terraces B. build walls C. plant trees D. plant tall bushes

　　4）According to the passage, trees and tall bushes are planted around an open field ________________.

　　A. because their roots hold soil tightly B. to stop soil from being blown away by winds.

　　C. Because soil erosion causes terrible damages to crops D.T o keep the balance of nature

　　5）Which of the following is the best title of the passage?

　　A. What Causes Soil Erosion B. The Importance of Erosion

　　C. Rain Erosion and Wind Erosion D. Erosion and the Way of Fight against Erosion

　　2．阅读表达 阅读下面短文，并根据要求完成文章后的题目。

When your family travels or is away from its usual eating and sleeping routines, probably someone will get sick. It can take time to adapt to the food, water and air in a new environment, and kids can be especially __________________________ travel-related problems, including motion sickness, diarrhea（腹泻），and infections（传染病）.

Motion sickness is caused by a disagreement between the eyes and ears: the inner ears notice movement. But the eyes, focused within a car or other vehicles, do not. These different signals coming into the brain cause a lot of problems such as sickness, dizziness, paleness, and cold sweats. Motion sickness often happens on ships and boats, but it can also affect kids when they travel in planes, buses, and cars. Here are some ways to help kids fight motion sickness:

★Before you leave, have your child eat a light meal, as motion sickness seems worse on an empty stomach. Provide foods that are easily digested and avoid fatty foods.

★Try to avoid eating during short trips. For longer trips, have a small amount of drinks and eat light, small meals and snacks.

★If your child is feeling sick, provide some mild foods, like crackers（超薄饼干）.

★Encourage kids to look outside the car, rather than inside. They should focus on still objects---not moving ones---or a far point.

★Keep the window open a little to allow fresh air in.

★Use a headrest to reduce head movement.

★Make frequent stops, if your child complains of feeling sick and it's safe to stop, a short walk for some fresh air might help.

6) What is the best title for the passage?（within 10 words）

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7) Which sentence in the passage can be replaced by the following one?

These mixed signals which enter the brain can lead to a series of illnesses such as sickness, dizziness, paleness, and cold sweats.

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