开发封闭式微藻反应系统应依据的原则

阅读下列材料，从所给的六个选项(A、B、C、D、E和F)中，选出符合各小题要求的最佳选项。选项中有一项是多余选项。

The people below are all trying to choose which TV program to watch.  After the description of these people, there is information about six TV programs A-F. Decide which program would be most suitable for the person mentioned in questions 61-65 and then mark the correct letter (A-F) on your answer sheet. There is one extra paragraph about one program which you do not need to use.

小题1:__________Although Rob lead a quiet life in a small village, that doesn’t stop him from wanting to find out about the latest scientific development.

小题2:__________Bella enjoys eating out but can’t afford to spend very much at the moment as she is saving for a holiday. She has never learnt how to cook, so now might be quite a good time to find out！

小题3:__________Dan is interested in taking wildlife photographs and enjoys the kind of program which gives him a chance to see a professional photographer at work.

小题4:__________Gina is a music teacher. Although she prefers classical music, she likes to follow the kind of music that interests the teenagers she teaches.

小题5:__________Ron’s wife is in hospital. He wants to find a program suitable for his three-year-old son while he gets on with the housework and prepares a meal.

TODAY’S  TELEVISION  PROGRAMME  PREVIEW

A．TV1 7:20 p.m. Find out more about Australia’s animal life. This film was made last year by one of Australia’s best-known cameramen,Dougie Bond. He spent over 200 hours filming the birds, animals and fish that inhabit this beautiful continent and for the first time brings some of these unusual animals to our TV screens.

B．TV3 9:00p.m. The popular science program is back with the latest in technology and medicine. This week, cars that run on sunlight and the story of one baby’s fight to live.

C．TV2 8:10p.m. Do you think what goes into the food most of us eat every day of the week? Tonight’s program takes a serious scientific look at the bread industry. Whether you bake your own bread or just enjoy buying it, this program will give you an interesting insight into something most of us eat every day of the week.

D．TV15:15p.m. Busy parents? Bored children? Do you want something educational to entertain your children while you do something else? This popular magazine program is for the under-fives. More music, fun, songs and games with Carla and Larry.E.TV3  8:45p.m. If you’ve always wanted to cook, now’s your chance to learn. In the studio are two chefs who will take you through some simple recipes step by step. This is a repeat of the popular series shown last year, and available from good bookshops.

F.TV3  7:40p.m. The latest new music. Pete Hogg looks at the best of the current rap, raga and new jack swing plus new video releases. This is the program that tells you all about what’s happening on the music scene and brings you interviews with tomorrow’s young artists.

下列（）方法调节管路压力和流量最经济。

A、截流调节

B、回流调节

C、改变离心泵的级数

D、调节电动机的频率

预测未萌尖牙和双尖牙的大小用（）

A．间隙分析

B．Moyers预测法

C．Bolton指数分析

D．曲线的曲度分析

E．Pont指数分析

转向架组装时转8型转向架同组、同套摇枕弹簧自由高度差不大于（）。

A、1mm

B、1.5mm

C、2mm

D、3mm

裸根苗起掘应在落叶后至发芽前的休眠期进行，大地封冻期间不宜进行。( )