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。
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（建议）．
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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）： ★1 _______ ★Do leg - stretching（伸）exercises in your seat． ★Wear comfortable clothes． 4．If you sometimes get airsick： ★2 _______ ★Keep your seat belt fastened（系好安全带） ★3 _______ Don't take wine or alcohol（酒）． 6．Use both hands when reaching overhead for something．4_______． |
A．This will help prevent yourself from getting hurt
B．Better drink water or juice when you feel thirsty．
C．Get up and walk around every 60 to 90 minutes．
D．Ask for a window seat or a seat over the wing．
答案
CDBA
