[简答题]What is arterial blood pressure and how about its influencing factors？ (8 Points)

[简答题]Mean arterial pressure:

[单项选择]
What is the story about [A] It is about how Peter and Linda get their money. [B] It is about how Peter and Linda spend their money. [C] It is about how Peter and Linda get and spend their money.

[单项选择]

Suppose you lost a lot of blood, what would a doctor do Replace the blood as quickly as possible by giving you a transfusion of blood donated by another person. But the doctor can’t use just anyone’s blood. The donor’s blood has to be of a type that won’t be destroyed by your blood. Blood type What’s that
To find your blood type, the doctor sends your blood to a laboratory. There your red cells are separated from the other parts of your blood. These cells may have certain antigens (special proteins) on their surfaces — "A" antigens and/or "B" antigens. If your red cells have "A" antigens you are Type A; "B" antigens make you Type B; both "A" and "B" make you Type AB; neither "A" nor "B" antigens makes you Type O. How do you find these antigens
A lab technician mixes your red blood cells with two kinds of blood serum. One contains anti-A antibodies. T
A. discussing the blood testing and its use of determining blood group and checking for infection
B. differentiating the four blood types
C. the technique and procedure of blood testing
D. illustrating various types of blood

[单项选择]What I like about this city is its variety of cultural activities（）
A. I’ll phone you again.
B. It’s a good story.
C. Me, too.
D. That OK.

[填空题]

What’ s special about the keyboard ？
Its keys are （）.

[填空题]

What’s special about the keyboard？
Its keys are （）.

[单项选择]

Many people are worried about what television has done to the generation of American children who have grown up watching it. For one thing, recent studies show that TV weakens the ability to imagine. Some teachers feel that television has taken away the child’s ability to form mental pictures in his own mind, resulting in children who cannot understand a simple story without pictures. Secondly, too much TV too early usually causes children to be removed from real-life experiences. Thus, they grow up to be passive watchers who can only respond to action, but not start doing something actively. The third area for such a worrying situation is the serious dissatisfaction frequently expressed by school teachers that children show a low patience for the pains in learning. Because they have been used to seeing results of all problems in 30 or 60 minutes on TV, they are quickly discouraged by any activity that promises less than immediate satisfaction. But perhaps the most
A. Children suffer from mental pains.
B. Children spend little time learning unknown things.
C. Children become uninterested in class activities.
D. Children are weak at facing difficulties.