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【单选题】
Read the introduction [paragraphs 1-5]. Select the paragraph that explains HOW the pigeons became famous?
A.
During the week of December 2, Bobby Lee saw a few pigeons walking around in a parking lot. He was on his way to a store in Las Vegas, Nevada. These were not ordinary pigeons. The birds were wearing little cowboy hats.
B.
One bird wore a red hat and one wore a gray one. Lee posted a video of the birds online. The video got very popular. Now people want to know who dressed up the birds.
C.
"It got a lot of attention fast," said Lee. He is 26 years old. He said the next day, people who work in the news wanted to buy his video.
D.
Mariah Hillman works for a pigeon rescue group in Las Vegas. It is called Lofty Hopes. She and her daughter looked for the pigeons after seeing the video. They walked around where the birds were seen. They asked people to call them if they saw the pigeons.
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参考答案:
举一反三
【简答题】一般在轴毛坯锻造后首先安排 处理,以消除锻造内应力,细化晶粒,改善机加工时的切削性能。A. 正火
【单选题】不属于早期飞天特点的是?
A.
比较清秀
B.
U字型比较突出
C.
开始形成了小字脸
D.
比较舒展
【单选题】下列哪种氨基酸是非必需氨基酸
A.
丙氨酸
B.
苏氨酸
C.
酪氨酸
D.
亮氨酸
E.
蛋氨酸
【单选题】一般在轴毛坯锻造后首先安排(   )处理,以消除锻造内应力,细化晶粒,改善机加工时的切削性能。
A.
退火
B.
正火
C.
时效
D.
淬火
【简答题】请解答如何在陆地求生时判别食物是否安全。
【单选题】驾驶员一边看路,一边开车,这体现( )。
A.
注意的转移
B.
注意的分配
C.
注意的广度
D.
注意的稳定
【判断题】一般在主轴毛坯锻造后,首先安排正火处理,以消除锻造内应力, 细化晶粒, 改善机加工时的切削性能。
A.
正确
B.
错误
【单选题】下列哪种氨基酸是非必需氨基酸:
A.
色氨酸
B.
苏氨酸
C.
蛋氨酸
D.
精氨酸
E.
赖氨酸
【单选题】下列哪种氨基酸是非必需氨基酸
A.
苯丙氨酸
B.
苏氨酸
C.
酪氨酸
D.
亮氨酸
【简答题】Al 3 PO 4 和 AgCl 都难溶于水,然而在 HNO 3 溶液中, ____________ 能溶解。在 NH 3 水中, _______________ 能溶解。
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