1岁患儿，王症营养不良，突然发生面色灰白，神志不清，脉搏减慢，呼吸暂停等，应首先考虑

(2)根据课文内容填空(8分)

There are two main types of advertisements— commercial advertisements and     41    service advertisements (PSAs). A commercial advertisement is one which someone has paid for to    42       a product or service. PSAs are often placed for free, and are    43     to educate people about health., safety, or any other issue which affects public    44       .

This   45  will give you some information about RealCine: how it works, why it is better than   46   cinema,

and how it can be used in other ways. I believe you will be     47   by the RealCine experience, and will agree

that this is an extraordinary     48     that must be developed further.

These days, Americans still celebrate this idea of_______thanks.

A. give              B. giving             C. gives

于震颤和杂音，正确的是（）。

A．听到杂音一定有震颤

B．有震颤就一定有杂音

C．有震颤不一定有杂音

我们国家现在已全面禁止销售含磷洗涤剂。含磷洗涤剂中的Na₅P_xO₁₀会造成水的

污染，该物质中磷元素的化合价为+5价，则x的值为（   ）。

A．1

B．2

C．3

D．4

初产妇，25岁，妊娠39周，上午8点开始阵发性宫缩，10点胎膜破裂，16时肛门检查：宫口已开全，胎头先露，胎位LOA，胎头颅骨最低点在坐骨棘水平以下3cm。胎心率100次/分，羊水呈草绿色，黏稠。对此患者应采取哪项措施

A．加腹压

B．剖宫产

C．等待自然分娩

D．产钳术

E．静点缩宫素