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【单选题】
地用于治疗心衰的主要药理作用是A.
扩张冠状动脉
B.
增强心肌收缩力
C.
减轻心脏前负荷
D.
减少心律失常发生
E.
降低心脏的传导性
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举一反三
【单选题】Which sentence is a SVA?
A.
Mary is in the house.
B.
Mary is kind.
C.
Mary caught the ball.
D.
The child is laughing.
【单选题】Which sentence is a better topic sentence?
A.
In the story, Amelia did many good things such as help out her friends, talk to her parents, and support her team at school.
B.
As a result of the many activities Amelia participated in, she was recognized for her positive influence on the community.
【单选题】Which sentence is a better topic sentence?
A.
In this essay I will discuss why identity theft is such a big problem.
B.
Identity fraud is the fastest growing crime in the United States.
【单选题】Which sentence is a good topic sentence?
A.
There are many people in Los Angeles.
B.
People from many different cultures live in Los Angeles.
C.
Los Angeles is a big city in California.
【单选题】Which sentence is a good topic sentence?
A.
French perfumes are expensive for a number of reasons.
B.
My mother's perfume smells flowery.
C.
You can purchase perfumes in expensive blue crystal bottles.
【简答题】家庭访 视分为 _ 和 _ 两种。
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