文档介绍：高二英语知识点下册
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一般现在时大多用动词原形来表示。Be\have在人称和数上应按自己的变化规章与主语保持全都。其他动词若其主语是第三人称单数，则应按动词第三人称单数的变化规律变化。
英语下册学问点归纳
Ⅰ.Hot words and hot phrases常用词与常用词组
studies show that AIDS virus cannot be transmitted via the following routes：cups，glasses，toilet seats，swimming pools，mosquitoes，other insects or blood donation.()
is a disease that breaks down the bodys immune system and leaves a person defenceless against infections and illness.()
get AIDS after having been infected with the HIV virus.()
transmit HIV by having unprotected sex，by receiving infected blood transfusions or，as in Xiaohuas case，through birth.()
mother contracted the HIV virus when she was 28，and she died of AIDS only three years after Xiaohua was born.()
disease is spreading faster in Africa and parts of Asia，mainly because of a lack of proper health care，prevention and education.()
drugs that are available are much too expensive and difficult to find.()
8....but she does not let that knowledge discourage her.()
also goes to visit other AIDS patients in hospitals across the country to support them and cheer them up.()
disease is not the only thing that AIDS patients