采用水力除灰时，禁止将锅炉的（）、（）等排到除灰沟内。

对各种动物的特征描述错误的是（　　）

A．鸟类胸肌发达，有利于飞行

B．蚯蚓身体分节，属于节肢动物

C．鲫鱼属于脊椎动物，变温动物

D．哺乳动物一般体表被毛、胎生、哺乳

Construction of the gigantic office building in this city was for years intermittent.

A．stopping and starting at intervals

B．something that will happen soon

C．being watched with keen interest

D．anything that comes and goes

8个月小儿频繁抽搐来诊，查前囟紧张，呼吸不规则，首先宜采取下列哪项措施()

A．腰穿

B．镇静止惊，降颅压

C．青霉素皮试

D．硬脑膜下穿刺

E．头颅CT

Passage One

How did interracial marriage get approved in Alabama a. By a Supreme Court ruling. b. By state legislation. c. By a vote of the residents. d. By the social trend that interracial marriages keep increasing.

5岁，妊娠65d出现分娩预兆，8h后仍未见胎水、胎儿排出，产道检查，子宫颈开张较好，可触及胎儿前置部位。

取胎儿时，子宫切口位置应选择在（）

A．子宫角背侧

B．子宫角腹侧

C．子宫体背侧

D．子宫体腹侧

E．子宫颈腹侧