成功的测试是指A．运行测试实例后未发现错误 B．发现程序的错误 C．证明程序正确 D

女性，30岁，患高血压1年，血压在180～230／100～120mmHg之间，有时感手足乏力麻木，夜尿增多。查体：血钾3．5mmol／L，血浆醛固酮400μg／L。下列检查可鉴别原发性与继发性醛固酮增多症的是（）。

A.血浆肾素、血管紧张素Ⅱ活性测定

B.赛庚啶试验

C.血浆ACTH测定

D.上午自立位前后血浆醛固酮浓度变化

E.放射性碘化胆固醇肾上腺扫描或照相

One day an ant was drinking at a small stream and fell in. She made desperate efforts to reach the side, but made no progress at all. The poor ant almost exhausted was still bravely doing her best when a dove saw her.Moved with pity, the bird threw her a blade of grass, which supported her like a raft, and thus the ant reached the bank again. While she was resting and drying herself in the grass, she heard a man come near. He was walking along barefooted with a gun in his hand. As soon as he saw the dove, he wished to kill it. He would certainly have done so, but the ant bit him in the foot just as he raised his gun to fire. He stopped to see what had bit him, and the dove immediately flew away. It was an animal much weaker and smaller than herself that had saved her life.

小题1:The ant could not reach the side though _______.

A．she cried for help

B．she asked the dove to save her

C．she tried very hard

D．she could smell well小题2:The dove saved the ant because _______.

A．she was the ant's friend

B．she took pity on the poor ant

C．the ant was almost exhausted

D．the ant had been struggled in the water for a long time小题3:The ant succeeded in getting on the bank with the help of _______.

A．a leaf

B．a piece of wood

C．a blade of grass

D．a raft小题4:Just as the man shot at the dove, _______.

A．the dove immediately flew away

B．the dove hid himself in the grass

C．the ant told the dove to leave at once

D．he felt something biting him in the foot小题5:In writing the story, the writer wants to show _______.

A．how clever the ant was

B．how kind the dove was

C．how the ant and the dove helped each other

D．we often need help from others, therefore we should help others as much as

HLA基因复合体中等位基因数最多的是（）。

A.HLA-DR

B.HLA-A

C.HLA-C

D.HLA-B

E.HLA-DQ

县人民检察院向县人民法院就王某涉嫌赌博罪提起公诉，一审判决后，县人民检察院认为县人民法院对王某的量刑过轻，决定提起抗诉，启动二审，则：

A．检察院只有在被害人提出抗诉请求时才可以提起抗诉

B．县检察院应当通过县人民法院提起抗诉状

C．如果市检察院认为县检察院抗诉不当，应当要求县检察院撤回抗诉

D．县检察院无权对县人民法院的判决提起抗诉

关于力，下列说法正确的是（）

A.运动员用力抛出排球，若不考虑空气阻力，排球在空中飞行时只受重力

B.绕地球运转的人造卫星不受重力

C.一物块静止在斜坡上，物体对斜坡的压力其方向竖直向下

D.重心是物体所受重力的作用点，重心可能在物体上，也可能在物体