问题 多项选择题

骨折的愈合过程可分为

A.肉芽组织修复期

B.原始骨痂连接期

C.骨性愈合期

D.塑形期

E.假关节形成期

答案

参考答案:A,B,C,D

解析:骨折愈合过程:①血肿形成;②纤维性骨痂形成;骨折2~3天后,血肿开始由肉芽组织取代而机化,继而发生纤维化形成纤维性骨痂;③骨性骨痂形成;④骨痂改建或再塑。

阅读理解

阅读理解

                                                        You are what you eat

     Keeping better eating habits can help you reduce (减少) disease. A healthy eating plan means

choosing the right foods to eat and preparing foods in a healthy way.

                                                   _______________________

     Do you often change your toothbrush? Maybe you think it is not necessary. A study shows old

toothbrushes bring disease. You should often change your toothbrush.

                                                                  Exercise

     Swimming, running, skating, skiing, dancing, walking and some other activities can help you stay

healthy. You should exercise at least three times a week and for twenty minutes or more each time. Do it.

                                                          Plan out your life

     You should have breakfast before you go to school. Have a proper (合适的) meal for lunch. Follow

a healthy diet.

1.What's the passage mainly about?

A.Healthy food.

B.Healthy lifestyle (生活方式).

C.Junk food.

D.Healthy sports.

2.What is the best title (标题) for the second paragraph?

A.Man's disease

B.Disease

C.Watch the toothbrush

D.Your bathroom

3.At least how long should you exercise each time?

A.Twenty minutes.

B.Fifteen minutes.

C.Five minutes.

D.Ten minutes.

4.From the passage, we know _______ can help us stay healthy.

A.proper diet

B.exercise

C.sleep and exercise

D.proper diet and exercise

5.What does a healthy eating plan mean?

A.Choosing the right foods.

B.Cooking the foods in a healthy way.

C.Never eat meat or fresh vegetables.

D.Both A and B.

填空题