下列关于纤维素性炎的叙述正确的是（） A.当出现机化时便引起纤维素性粘连 B.其好发

医务人员在医疗活动中因不可抗力给患者造成不良后果的

A．一级甲等医疗事故
B．一级乙等医疗事故
C．二级甲等医疗事故
D．二级乙等医疗事故
E．不属于医疗事故

阅读理解。

     The best known vegetable in the world is the potato. It grows in many places and does not need rich

soil like many other crops. But until four hundred years ago the potato was not known to the Europeans.

But today it's one of the main foods in Europe. About half of the world's potatoes are grown in Europe.

      In France the potato was not grown for a long time. Here is a story about Louis. In 1778 he saw

some potato flowers for the first time. He liked them so much that he picked one and put it in his

buttonhole. He was interested in the flowers not the potatoes thmesleves.

根据短文内容判断对错。

( )1. Potatoes are grown and eaten in Europe.

(     )2. The potatoes are grown only in the rich soil.

(     )3. Louis was the first man to eat the potato.

(     )4. At first the Europeans grew potatoes to eat.

(     )5. Louis liked the potato flowers better than the potatoes.

腹部闭合性损伤合并出血性休克时的处理原则是（）。

A.立即手术探查

B.输血并给抗生素

C.积极抗休克，休克纠正后手术探查

D.输血并给止血药

E.积极抗休克的同时手术探查

地球表面上各地的平均温度是不同的，它不是完全地取决于纬度，而且和（）有关。

A.地形

B.海陆分布

C.观测方式

D.地表面性质

要编辑箭头，应选用（）工具｡

A､钢笔

B､填充

C､手绘

D､轮廓笔