人体细胞的各项生理活动都离不开能量，能量的获得与人体的整体生理活动息息相关，如图是人体的部分系统和器官，每一个细胞能量的获得都离不开它们的生理作用，请回答下列问题：

（1）为人体提供能量的物质，它们经过消化后主要在图一的____ ____ 中被吸收，随着血液循环会首先通过图三中的____ ____ （填字母）进入心脏．

（2）能量的获得还需要氧气的参与，图二为肺泡以及周围的一条毛细血管，当肺泡慢慢鼓起时，此时膈肌____ （填“收缩”或“舒张”），氧气扩散进入血液，当血液由A流向B后，发生的变化是____ 

（3）伴随着人体的各项生理活动也同时产生尿素等废物，废物的排出主要通过图四的____ 过程和____ 过程，其中尿素最先离开血液是从图四的____ ____ 处离开的．

台湾出口导向型经济发展的有利因素有（　　）

①劳动力丰富  ②吸收外国资本  ③岛内市场广阔  ④优良港口众多

阅读短文,判断正误。

    All the students in China are learning English, but how can they learn English well? Some students can know a lot about English, they can do some exercises, but perhaps they can't speak English loudly.

    If you want to know how to swim, you must get into the river. And if you want to be a football player, you must play football.

    So, you see, you can learn English by using (使用) it. You must listen to your teacher in class. You must speak English to your classmates everyday and also you must watch some English cartoons, sing some English songs, write some English diaries.... Then one day you may find you can speak very good English.

组词。

寸____    落____   补____    拔____

功____    助____   取____    所____