TTL与非门的输入端可以解任意阻值电阻，而不会影响其输出电平。

急性肺脓肿的典型X线胸片特征为（）

A.大片实变阴影

B.肿块状阴影

C.多房性空洞

D.条索状阴影

E.厚壁空洞影

入水下沉（）

A．红花

B．西红花

C．蒲黄

D．降香

E．丁香

阅读理解。

    In the past, when people had problems, they went to their families or friends to get advices. Today it is

possible to get advice from radio shows, TV programs and telephones hot lines, too. A hot line is a telephone

line that offers a direct way of getting in touch with advisers. Most hot lines are completely anonymous－

callers do not have to say their names or telephone numbers. Most hot lines are usually free, too.

    Callers do not have to pay for advice or the phone calls-even if the calls are long distance (距离). At some

hot lines, the advisers are volunteers (志愿者). Other hot lines pay their advisers for their work. Usually the

advisers are full-job people with years of education and experience, but sometimes, the advisers have only

taken a short class before starting to work on the hot line. All the advisers listen to people and help them solve

their problems.

1. A hot line is a telephone line _____. [ ]

A. that is hot

B. through which people get advice

C. whose number no one knows

D. through which callers take a short class

2. When people call the hot line advisers, they _____. [ ]

A. often give their names and telephone numbers

B. generally have to pay for the long distance calls

C. usually pay nothing for most of the calls and advice

D. always try to get in touch with the volunteer advisers

3. The advisers working at hot lines _____. [ ]

A. are not all paid

B. are all volunteers

C. all have years of education and experience

D. have all been trained for a short time

4. How do the hot line advisers work? [ ]

A. They do what the callers tell them to do

B. They accept the caller's advice

C. They give the callers advice

D. They go to the callers' houses to help them

5. The writer of the article seems to think that _____.[ ]

A. with hot lines people won't get advice from their families or friends

B. hot lines help the callers a lot

C. people had better pay for the advice and phone calls

D. the hot line advisers will solve all of the callers' problems

在《红楼梦》的第十九回，（）为了规劝宝玉，让他改掉身上的毛病，于是编出了即将“回去”的谎言。

甲立下一份公证遗嘱，将大部分财产留给儿子乙，少部分的存款留给女儿丙。后乙因盗窃而被判刑，甲伤心至极，在病榻上当着众亲友的面将遗嘱烧毁，不久去世。乙出狱后要求按照遗嘱的内容继承遗产。对此，下列哪一选项是正确的？

A．乙有权依据遗嘱的内容继承遗产

B．乙只能依据法定继承的规定继承遗产

C．乙无权继承任何遗产

D．可以分给乙适当的遗产