下列物态变化中都是吸收热量的是（）A、熔化升华汽化B、凝华升华_爱下问搜题

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问题单项选择题

下列物态变化中都是吸收热量的是（）

A、熔化升华汽化

B、凝华升华熔化

C、汽化液化凝固

D、凝华液化凝固

答案

参考答案：A

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

单项选择题

肺小叶是指( )。

A．小支气管连同其各级分支和肺泡

B．细支气管连同其各级分支和肺泡

C．终末细支气管连同其分支和肺泡

D．呼吸性细支气管连同其分支和肺泡

E．以上都不是