题干
阅读下面短文，把A-D四个句子填入文中空缺处（1- 4），使短文内容完整正确，然后完成第5题。
Summer holidays are coming soon. Are you going to travel? If you plan to take a plane, you will have a healthy trip by following these suggestions:
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1）Bring some needed medicines in your carry-on bag. 2）Don't leave your seat during the plane's take offs and landings. 3）To prevent blood clots （血流不畅）：
★ ★ Do leg-stretching (伸) exercises in your seat. ★ Wear comfortable clothes. 4）If you sometimes get airsick: ★ ★Keep your seat belt fastened(系好安全带). ★Don't take small planes. 5） Don't take wine. 6）Use both hands when reaching overhead for something. |
