88. The prevent and treatment of AIDS is __________________ .

　　89. Because of the leg injury, the athlete ________________________ .

　　90. To make donations or for more information, please ________________ .

　　91. Please come here at ten tomorrow morning ___________________.

　　詳解

　　87. take peoples sleep quality into account/ consideration本題重點考查take sth into account這個短語。

　　88. the field we can cooperate / the field in which we can cooperate本題考查定語從句，而先行詞作為前置賓語，后面引導的從句需要前置的介詞。

　　89. decided to quit the match本題考查對時態的判斷能力

　　90. contact us at the following address常見的祈使句表達

　　91. if it is convenient for you / at your convenience本題考查詞組at ones convenience.