某患者,孕30周,由于长时间的仰卧位,出现了血压下降等表现,主要原因是
A.回心血量增加B.回心血量减少C.脉压差增加D.脉压差减少E.脉率增快
参考答案:B
在事实面前,我们的想象力越发达,后果就越不堪设想。这是因为
A.意识对物质具有能动的反作用
B.物质是本原的,意识是派生的
C.承认物质第一性就要安于现状
D.夸大意识的能动作用是不可取的
单句改错。
1. He likes walk down the street to enjoy the sunshine.
2. Let me have a look the photo of your family.
3. Everyone have fun at the party.
4. Li Lei, with his friends, play football over there every day.
5. There are thirty minutes in half a hour.
6. There's a "u" and a "s" in the word "us".
7. Would you like going shopping with my mother and me?
8. There's many food in the fridge.
9. The students usually go to school by a bike.
10. My shoes are under my bed and his is under his bed.