垄断企业产品的价格总是比完全竞争产品价格高,产出少。()
参考答案:错
解析:完全竞争市场的商品价格等于最低的长期平均成本。在垄断市场的商品价格可能高于、等于或低于平均成本。
句型转换。
1.I like vegetables better than meat.(改为同义句)
I vegetables meat.
2. To study English well is very important.(改为同义句)
to study English well.
3. Some students would like) to start work as soon as possible.(改为同义句)
Some students. would like to start work as soon as_____ .
4. She lives in a house that she built herself out of trash.(对画线部分提问)
?
5. He has seldom been late for school.(改为反意疑问句)
He has seldom been late for school, _____ ?
男性,30岁,以感染性休克入院,入院后,咳粉红色痰,气短,血动脉氧分压降至60mmHg以下,应首先考虑
A.急性左心衰竭
B.ARDS
C.肺泡毛细血管广泛破裂
D.肺内继发性炎症
E.缺血性肺组织坏死