下列理论中,( )理论的提出者佩里认为,城市住宅和居住区的建设应当从家庭生活的需要以及其周围的环境即邻里的组织开始。
A.广亩城 B.卫星城C.邻里单位 D.新城
参考答案:C
—Which hotel are you in?
—I ______ in a hotel. A friend I met on the train from the south_____ to put me up for a couple of nights.
A.haven’t stayed; has offered
B.am not staying; offered
C.am not staying; is offering
D.do not stay; offers
为使维生素A不被破坏可以采取什么方法(至少举出三种)?