在业主制企业中，产权主体是唯一的。（）

Reading comprehension.

     Learn To Speak Rocket French!

     Who Wants to Learn to Speak French in the Shortest Possible Time?

     If you Answered "I DO" Then Please Read on to Try My Free-6-Day French Course.

     Why do you want to learn to speak French?

     Do you want to be a part of a French-speaking community?

     Are you travelling to A French-speaking country with confidence?

     Are you a home-student or a parent who wants their children to learn more quickly and easily?

     Are you keen to refresh your memory of this beautiful language?

     Or, perhaps you just have an interest in learning the language for love!

     I've designed Rocket French Premium to be the easiest to follow and the fastest system for learning

how to speak French available. Rocket French Premium is an interactive course that makes you want to

study. Also, it's practical. You are going to be able to speak at a restaurant, at an airport, and with new

friends!

      It's a great experience to be able to speak with others in a different language. You will be able to enter

a different culture, a different world! Being bilingual (双语的) is a very special ability, and it's a gift that

we want to give to you.

     So you are ready to get to know the secret of learning a new language? You're in the right place.

     Try our free six-day course. If you don't, you'll be missing a valuable opportunity to see just how much

Rocket French Premium can improve your language level. Thousands of people worldwide have used our

unique multimedia to fast-track their French learning, while having piles of fun in the process. Will you be

the next?

1. Who are target learners of Rocket French Premium?

A. students of the French language.

B. language experts doing research into French.

C. teachers who are eager to improve their students' French.

D. parents who want their children to learn French quickly and easily.

2. Rocket French Premium describes itself as _____.

A. free and funny

B. Practical and interactive

C. slow but efficient

D. suitable for everyone

3. The ad claimss learners of Rocket French Premium _____.

A. will speak fluent French in six days.

B. can take the entire course for free.

C. will practice French in a restaurant or airport..

D. won't have to worry about the safety of their e-mail address.

4. The underlined "fast-trade" can be best replaced by _____.

A. speed up

B. pick up

C. change

D. solve

5. According to the text, which of the following statements is TRUE?

A. The Rocket French course lasts for 6 days.

B. Thousands of people worldwide have benefited from Rocket French Premium.

C. People will enroll in Rocket French Premium for different reasons, but all can be confident that they

    will be confident French speakers in the shortest time.

D. Rocket French Premium mainly aims to introduce second-language learners to French culture.

将20℃的硝酸钾饱和溶液升温至80℃时，下列说法正确的是（　　）

A．溶液中溶质质量分数不变

B．溶液质量减少

C．溶液中溶质的溶解度减少

D．溶液仍为饱和溶液

无线局域网采用了扩频通信技术，常用的扩频技术包括两种（）。

A.跳频扩频和直接序列扩频

B.直接跳频扩频和序列扩频

C.无线扩频和直接跳频扩频

D.窄带扩频和直接序列扩频

患者有癫痫病史5年，一直坚持服药，近1年未发作。3日前因泌尿系统感染静脉给予抗生素治疗，次日晚饭后突发癫痫，持续5分钟。至早晨送院共发作3次。该患者可能使用的抗生素是（）

A.青霉素

B.万古霉素

C.头孢曲松

D.庆大霉素

E.左氧氟沙星

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