颅内压增高时，在机体代偿性调节机制中发挥主要作用的是（） A._爱下问搜题

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问题单项选择题

颅内压增高时，在机体代偿性调节机制中发挥主要作用的是（）

A.血压下降

B.呼吸减慢

C.脑脊液量减少

D.颅内动脉血流量减少

E.颅内的静脉血被挤压到颅外

答案

参考答案：C

完形填空

Like most people, I was brought up to look upon life as a process of getting. It was not until in my late thirties that I made this important     : giving-away makes life so much more exciting. You needn’t worry if you       money.
This is how I     with giving-away. If an idea for improving the window display of a neighborhood store     in my mind, I step in and make the     to the storekeeper. If an accident takes place, the     of which I think the local police could use, I     him up and tell him about it, though I am not in    here. I found a rule about this world is to give     getting something back, though the    often comes in an unexpected form.
One Sunday morning the local post office delivered an important special letter to my home, though it was     to me at my office. I wrote the postmaster a note of     . More than a year later I needed a post-office box for a new business I was     . I was told at the window that there were     boxes left, and that my name would have to go on a long     list. As I was about to be      , the postmaster appeared in the    . “Wasn’t it you that wrote us that letter a year ago about delivering an      delivery to your home?” I said it was. “Well, you certainly are going to have a box in this post office     we make one specifically for you. You don’t know what a letter like that means to us. We usually get     but complaints.”

A．experienced

D．experimented

D．appreciation

C．discouraged

填空题

激素的生物学效价一般与动物所处（）及（）和（）有关。