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9£®Most children like watching TV£®It's very interesting£®By£¨Í¨¹ý£© watching TV they can see and learn a lot and know many things about their country and the world£®Of course£¬they can also learn over£¨Í¨¹ý£© the radio£¨ÊÕÒô»ú£©£®But they can learn better and more easily on TV£®Why£¿Because they can hear and watch at the same time£¨Í¬Ê±£©£®But they can't see anything over the radio£®TV helps to open children's eyes£®It helps to open their minds£¨ÖÇÁ¦£©£¬too£®They learn newer£¨¸üУ© and better ways of doing things£®Many childen watch TV only on Saturday or Sunday evening£®They are always busy with their classes£®But a few children watch TV every night£®They go to bed very late£®They can't have a good rest£®How about you£¬my young friends£¿
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41£®A few children go to bed late because theyC£®
A£®are busy with their classes
B£®do their homework
C£®watch TV
D£®listen to the radio
42£®Children can't see anythingB£®
A£®in the radio
B£®over the radio
C£®on TV
D£®by watching TV
43£®TV helps to open children'sA£®
A£®eyes and minds
B£®minds
C£®eyes or minds
D£®eyes
44£®----Why do many children watch TV only on Saturday or Sunday evening£¿
----BecauseC£®
A£®TV is not good
B£®they don't like watching TV
C£®they have no time
D£®they want to play tennis
45£®Children can study better and easily on TV becauseD£®
A£®they like to watch TV
B£®they can hear at the same time
C£®they can watch at the same time
D£®they can hear and watch at the same time£®
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½â´ð 41£®C ϸ½ÚÀí½âÌ⣮¸ù¾ÝBut a few children watch TV every night£®They go to bed very late¿ÉÖªº¢×ÓÃÇ˯¾õÍíÊÇÒòΪ¿´µçÊÓ£¬¹ÊÑ¡C£®
42£®B ϸ½ÚÀí½âÌ⣮¸ù¾ÝBecause they can hear and watch at the same time£¨Í¬Ê±£©£®But they can't see anything over the radioº¢×ÓÃÇÔÚÊÕÒô»úÀï²»ÄÜ¿´µ½¶«Î÷£¬¹ÊÑ¡B£®
43£®A ϸ½ÚÀí½âÌ⣮¸ù¾ÝTV helps to open children's eyes¼°It helps to open their minds£¬too¿ÉÖªµçÊÓÓÐÁ½¸ö·½ÃæµÄ×÷Ó㺿ªÀ«ÑÛ½çºÍ˼ά£¬¹ÊÑ¡A£®
44£®C ϸ½ÚÀí½âÌ⣮¸ù¾ÝµÚ¶þ¶ÎMany childen watch TV only on Saturday or Sunday evening£®They are always busy with their classes¿ÉÖªº¢×ÓÃÇÔÚÖÜÁùºÍÖÜÈÕ¿´µçÊÓÊÇÒòΪƽʱËûÃÇ×ÜÊÇæÓÚ¹¦¿Î£¬Ã»Ê±¼ä£¬¹ÊÑ¡C£®
45£®D ϸ½ÚÀí½âÌ⣮¸ù¾ÝBut they can learn better and more easily on TV£®Why£¿£¬ºóÃæÔÙ×÷´ð£ºBecause they can hear and watch at the same time£¬¹ÊÑ¡D£®
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| LABORATORY RULES | |
| Throughout the lesson | Do not enter the science lab without the teacher's permission£® No food or drinks are to be allowed in the science lab£® |
| Before the Experiment | Read all instructions carefully before every experiment£® Prepare all apparatus £¨ÒÇÆ÷£© and arrange them so that you will not knock them over while doing the experiment£® |
| During the Experiment | If you are unsure of how to use any apparatus or how to operate£¬ask your teacher for help£® Never smell or taste chemicals unless your teacher gives permission£® |
| After the Experiment | Wash all apparatus after use and return them to the places where they were£® Throw waste materials in proper waste baskets£® |
| First Aid | Report all accidents to your teacher immediately£® If you spill £¨½¦³ö£© any chemicals onto your body of clothing£¬wash with plenty of water and report to your teacher£® |
A£®before
B£®since
C£®during
D£®after
27£®Before every experiment£¬you shouldC£®
A£®taste the chemicals first
B£®clean all the apparatus
C£®read all instructions carefully
D£®report all the accidents to the teacher
28£®When you are not sure how to use all apparatus£¬C£®
A£®try them on your own
B£®put them back
C£®ask your teacher for help
D£®read the rules carefully
29£®It is clear that you canD£®
A£®bring food into the lab
B£®enter the lab anytime
C£®smell chemicals as you like
D£®learn science directly in the lab
30£®If you get chemicals on the clothing£¬you can find ways to solve it in the partB£®
A£®Before the Experiment
B£®First Aid
C£®During the Experiment
D£®After the Experiment£®
-I've had them since ten years ago£®£¨¡¡¡¡£©
| A£® | How long | B£® | How many | C£® | How soon | D£® | How often |
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| ÏÂÎç | ºÍÂèÂ蹺Îï ÓëÅóÓÑÌß×ãÇò |
| ÍíÉÏ | ×ö×÷Òµ ¿´µçÊÓ 21£º00ÉÏ´²Ë¯¾õ |
Last weekend Tom was not free£¬he did a lot of things
On Sunday morning£¬he got up at half past seven£®And then before breakfast£¬he watched English news because he thought it was useful for him to learn English well£®After breakfast£¬Tom helped his mother with housework£®It was very helpful of him to do that£¬so his mother felt happy£®Then in the afternoon£¬Tom went shopping with his mother and played football with his friends as well£®He felt really tired but happy£®Then when the evening came£¬he began to do his homework£®After finishing doing his homework£¬Tom watched TV for a while£®When the needle pointed to nine£¬Tom went to bed
What a busy weekend Tom spent!£®