在“SetPG/PC”通讯属性时，COM口的符号前为什么会有一个星号“*”？

One day an old man is selling(出售) a horse. A young man comes to the horse and begins to look at it slowly.

Then the old man goes up to him and says in his ears, “Don’t say anything about the horse before I sell it, then I will give you some meat.”

“All right,” says the young man. After the old man sells the horse, he gives the young man some meat and says, “Now, can you tell me how you see the bad ears of the horse?”

“I didn’t find the bad ears,” says the young man. “Then why do you look at the horse?” asks the old man.

The young man answers, “Because I never saw a horse before, and I want to know what it looks like.”

小题1:What is the old man doing?

A．He is giving some meat to the young man.

B．He is selling a horse.

C．He is looking at a horse

D．He is finding the bad ears of the horse小题2:The young man looks at the horse slowly because ___________.

A．he never saw a horse before

B．He wants some meat

C．he wants to help the old man

D．he wants to find the bad ears小题3:Which of the following is Not true according to the passage?

A．The old man sells the horse.

B．The young man doesn’t say anything about the horse before the old man sells it.

C．The old man doesn’t give the young man any meat.

D．The young man doesn’t know there is something wrong with the horse.小题4:The old man promised to give some _________ to the young man.

A．presents

B．money

C．food

D．meat小题5:How does the young man look at the horse?

A．Quickly.

B．Carefully.

C．Fast.

D．Happy

为何吸水率较大（规程规定大于2%）的沥青混合料试件不能用表干法测定毛体积密度？

阅读下面这首诗，完成下面各题。

　　【注】①宋钦宗靖康二年（1126）春，金军攻破东京（今河南开封），掳徽宗，钦宗二帝，北宋灭亡，史称“靖康之难”。陈与义1124年被贬在陈留（在今河南开封东南）做监酒税的小官，靖康之难发生后，流离失所，后流亡到洞庭湖。此诗写于南宋高宗建炎二年（1128）秋。②南服，指南方。

1．下列对本诗的理解，不正确的一项是(    )  

A．首联中“楼阴”指楼的南面，“背日”也指楼南，两词点明观景角度：站在楼南向远处眺望。

B．颔联继续写登楼所见景色。“江湖异态”写出倚栏远眺，江水与洞庭湖水不同，异态纷呈。

C．颈联意思是：诗人被贬官迄今已有五年，“靖康之难”后，宋室南迁，诗人颠沛流离，双鬓已白。

D．尾联中用“风壮浪涌”，即写出江水湍急汹涌，同时也表明诗人此时心潮起伏如波涛汹涌。

2．诗人登临远望看到怎样的景象?这种景象描写有何作用?结合诗句，简要分析。 

____________________________________________________________

建设生态文明，必须建立()的生态文明制度体系

A、严密系统 

B、严密完整 

C、统一严谨 

D、系统完整

某同学被学生处给予全校通报批评并扣减本学期综合测评分4分，她有可能出现了几次晚归（）。

A.1

B.2

C.3

D.4