欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

9、I won’t go to his party next time.It couldn’t have been　　　 ,in fact.

A、any better　　 B、any worse　　 C、so bad　　 D、the best

8、----Do you remember　　 he came?

----Yes,I do.He came by car.

A、how　　 B、when　　 C、that　　 D、if

7、After the new technique was introduced,the factory produced　　 tractors in 2001 as the year before.

A、as twice many　　 B、as many twice　　 C、twice many as　　　 D、twice as many

6、Good ways of doing things mean saving time,and　　 it is necessary for us to find them.

A、therefore　　 B、however　　 C、still　　　 D、otherwise

5、Your uncle seems to be a good driver;　　　 ,I wouldn’t dare to travel in his car.

A、even so　　 B、even though　　 C、threrfore　　　 D、so

4、We decided not to climb the mountains because it was raining　　　 .

A、badly　　 B、hardly　　　 C、strongly　　　 D、heavily

3、John was so sleepy that he could hardly keep his eyes　　 .

A、open　　　 B、to be opened　　 C、to open　　　 D、opening

2、----Mum,I think I’m　　 to get back to school.

----Not really,my dear.You’d better stay at home for another day or two.

A、so well　　 B、so good　　 C、well enough　　　 D、good enough

1、She doesn’t speak　　 her friend Rose,but her written work proves excellent.

A、as well as　　 B、so often as　　　 C、as much as　　　 D、the way like

33、(7分)如下圖是某一生態(tài)農(nóng)業(yè)系統(tǒng)的結(jié)構(gòu)模式圖，請(qǐng)據(jù)圖回答：

⑴從生態(tài)學(xué)角度分析，人們建立如圖所示的農(nóng)業(yè)生態(tài)系統(tǒng)的主要目的是____________________________________。

⑵該生態(tài)系統(tǒng)的主要成分是_______________________。

僅從質(zhì)量考慮，若要生產(chǎn)2 kg雞肉，最多需要消耗農(nóng)作物共計(jì)_____________kg。

⑶在發(fā)酵裝置里的B過程中起重要作用的微生物，其細(xì)胞結(jié)構(gòu)與水稻根細(xì)胞最主要

的區(qū)別是____________________________，它的代謝類型為______________。

⑷蘑菇在該生態(tài)系統(tǒng)的成分中屬于_____________。在農(nóng)業(yè)生產(chǎn)上，將蘑菇房與蔬菜大棚相通，可提高蔬菜產(chǎn)量。試分析增產(chǎn)原因：__________________________。