下述情况发生心功能不全的原因主要是
肺源性心脏病
A.左心室前负荷加重B.右心室后负荷加重C.肺循环阻力增高D.心肌收缩力明显减弱E.左心室后负荷加重
参考答案:C
阅读短文,回答问题。
Hi! My name is Ann. Tomorrow we are going to Beijing for the winter holidays. My mother and I are very
excited. Because we love Beijing. It's the capital city of our country. It's very beautiful. It's a great city! Now
I am packing my suitcase. I need a sweater, a coat, two pairs of pants, a scarf and gloves. My mother says,
" Don't forget your ticket! "
1. Where will we go tomorrow?
We will go to .
2. Do you love Beijing?
.
3. What is Ann doing now?
She is .
4. What does Ann need for her trip?
She needs .
「对可以满足需要(needs)的特定事物的欲求(desire),也是一种经由社会文化及个人人格塑造后表现出的型态」是指?()
A.需要(needs)
B.欲望(wants)
C.需求(demanD.
D.产品(products)