献血者每次捐献的血液量应多少适当？（） A.每次献血量为200-40_爱下问搜题

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问题单项选择题

献血者每次捐献的血液量应多少适当？（）

A.每次献血量为200-400毫升，国家提倡一次献300或400毫升

B.每次献血量为200毫升

C.每次献血量至少为400毫升，健康状况不佳时可献200毫升

答案

参考答案：A

问答题简答题

滑轮组的作用有哪些？滑轮组的倍率与起重载荷有何关系？

完形填空

A young Scottish lady, like a lot of teens today, got tired of home. The daughter objected to her family’s 　小题1:　lifestyle and said, “I don’t want your God. I am leaving!” She left home. Before long, she was disappointed and unable to find a job, so she took to the streets to do everything she could to 　小题2:　. Many years passed by, her father died, her mother grew 　小题3:　, and the daughter became more and more stubborn in her way of life.
No 小题4: was made between mother and daughter during these years. The mother, having 　 heard of her daughter’s whereabouts, went to the poor part of the city in 　小题5:　of her daughter. She stopped at 　小题6:　of the rescue missions(收容所) with a simple speech. “Would you allow me to 　小题7:　this picture?” It was a picture of the smiling, gray-haired mother with a handwritten 　小题8:　at the bottom: “I love you still … come home!”
One day the daughter wandered into a rescue mission for a hot meal. She sat 　小题9:　listening to the service, all the while letting her 　小题10:　wander over to the bulletin board. There she saw the picture and thought, could that be my mother?
She couldn’t 　小题11:　until the service was over. She stood and went to look. It was her mother, and there were those words, “I love you still … come home!”　小题12:　she stood in front of the picture, she wept. It was too 　小题13:　to be true.
It was night, but she was so 　小题14:　by the message that she started walking home.　小题15:　the time she arrived it was early in the morning. She was afraid and 　小题16:　her way timidly. As she knocked, the door 　小题17:　open on its own. She thought someone must broken into the house. Concerned for her mother’s 　小题18:　, the young girl ran to the bedroom and shook her mother awake and said, “It’s me! It’s me! I’m home!”
The mother couldn’t believe her eyes. They fell into each other’s 　小题19:　. The daughter said, “I was so worried and thought someone had broken in.” The mother replied gently, “No, dear. From the day you left, that door has never been 　小题20:　.”

B．help others

D．become famous

A．sensitively

B．absent-mindedly

D．imaginations