多节耦合电容器由于其高度较高,这种结构将在运行中受到()较大,因此对电容器壳体机械强度的要求较高。
A.风力负荷
B.负载
C.引线张力
D.过电压
参考答案:A
阅读理解
Hello! My name is Mike. I am from the USA. Now I'm in China with my parents. I like China.I like Chinese food, too. I have breakfast at home. I eat eggs, bread and porridge. I don't like milk.I have no
time to go home for lunch. So I have it at school. The lunch in our school is good. I can have different
kinds of food for lunch. I eat rice, meat and vegetables. Sometimes I have noodles and dumplings. I have supper at home with my parents. We have fish, meat, vegetables and fruit. Sometimes we go out to eat
with our friends.
( )1. Mike is in China with his parents.
( )2. He eats eggs, bread and salad for breakfast.
( )3. He has lunch at home.
( )4. He has noodles and durmplings for dinner.
( )5. Sometimes they go out to eat.
下列哪一项符合AB型血的血清抗体()
A.有抗AB抗体
B.兼有抗A、抗B抗体
C.既无抗A抗体,也无抗B抗体
D.有抗O抗体
E.有抗A或抗B任一种抗体