下列说法正确的是（） A．相等的角是对顶角 B．一个角的_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题选择题

下列说法正确的是（　　）

A．相等的角是对顶角

B．一个角的补角比它的余角大90°

C．同位角相等

D．一个角的补角必是钝角

答案

A、对顶角相等，相等的角不一定是对顶角，故本选项错误；

B、一个角α的补角为180°-α，它的余角为90°-α，（180°-α）-（90°-α）=90°，故本选项正确；

C、只有两直线平行，同位角才相等，故本选项错误；

D、锐角的补角是钝角，直角的补角是补角，钝角的补角是锐角，故本选项错误．

故选B．

单项选择题

女，35岁，养鸽，咳嗽、咳痰，结合CT图像，最可能的诊断是()

A．肺隐球菌病

B．肺转移瘤

C．支气管肺炎

D．肺结核

E．肺泡癌

完形填空

A few days ago, I was having a meeting in my company. After walking out, I 36 for my car keys in my pocket, only to discover they were not there. 37 , I gave myself a quick personal pat 38 my clothes, but they were not in 39 of my pockets. So, I went back to the meeting room and looked for them in every place _ 40_I had been. Suddenly it occurred to me that I must have left them in the car. Worried and frightened, I quickly 41 for the parking lot.（停车场）
My wife, Diane, has 42 me many times for leaving the keys in the ignition（点火处）. My theory is the ignition is the 43 place so that I won’t lose them. Her theory is that the car will be 44 . As I rushed out of my company, I came to a terrifying 45 . Her theory was right. The parking lot was 46 .
Without hesitation, I called the 47 . I gave them my location（位置）and 48 that I had left my keys in the car, and that it had been stolen. Then I made the most 49 call of all.
“Honey,” I said in a low voice. I always call her “honey” in times like these. “I 50 my keys in the car, and it has been stolen.”
There was a period of 51 . I thought the call had been dropped, but then I heard Diane’s 52 .
“Ken,” she shouted, “I dropped you off!”
Now it was my time to be silent. 53 , I said, “In that case, would you please come and 54
your dear husband?”
Diane answered, “I will... just as soon as I can have this policeman 55 I didn’t steal your car.”

B．Fortunately

B．disappointment

B．Embarrassed