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【多选题】
下列关于自然流产说法正确的是A.
先兆流产的症状表现为停经后出现少量的阴道流血，其处理原则是保胎，卧床休息
B.
难免流产表现为阴道流血量增加，阵发性腹痛加剧，流产已经不可避免
C.
不全流产表现为妊娠产物已部分排出体外，还有部分残留于宫内，一经确诊，应该行吸宫术或钳夹术治疗
D.
完全流产是指妊娠产物完全排除体外，阴道流血逐渐停止，腹痛随之消失
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反馈参考答案：
举一反三
【单选题】( )
A.
Decompostion structures
B.
Layer structures
C.
Implementation structures
D.
Component-and-connector structures
【单选题】The main purpose of the passage is to ______.
A.
compare skyscrapers with other modern structures
B.
describe skyscrapers and their effect on the environment
C.
advocate the use of masonry in the construction of skyscrapers
D.
illustrate some architectural designs of skyscrapers
【简答题】A field that involves the generation and application of knowledge relating to the composition, structure and processing of materials to their properties and use. A) Engineering Materials Technology B)...
【单选题】A difference between the economic long run and the short run is that:
A.
the classical dichotomy holds in the short run but not in the long run.
B.
monetary and fiscal policy affect output only in the long run.
C.
demand can affect output and employment in the short run, whereas supply is the ruling force in the long run.
D.
prices and wages are sticky in the long run only.
【简答题】长期(long run)
【单选题】下列程序的运行结果为( ) #include＜stdio.h＞ main() { struc tdate {int year,month,day )today printf('%d/n',sizeof(struct date)) }
A.
8
B.
6
C.
10
D.
12
【多选题】目前人类对转基因食品的担忧之一是转基因对生态环境的影响,比如
A.
破坏生态平衡，影响生物多样性。
B.
可能产生“超级杂草”作物，极大的威胁农作物的生长。
C.
进化速度够快影响生态平衡。
【简答题】长期(long run)
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