【单选题】—What does Anna's mother do? —She is a doctor. She works in a _____. [ ]
【简答题】请完成第四章课后作业 P97 页 第 5 题。
【单选题】The association between_____has not yet been found in Australia.
A.
ozone levels and hospital admissions for asthma
B.
hazy days and more asthma attacks in children
C.
the levels of particles in the air and death rates
D.
high levels of pollution and more symptoms
【单选题】None of us expected the president to______at the party. We thought he was still in hospital.
【单选题】现代营销理念的核心是以()为中心,认为市场需求引起供给,每个企业都必须依照消费者的需要与愿望组织产品的生产与营销。
【单选题】She sufferred a mental disease for quite some time and in the end she _____ go into a mental hospital.
【单选题】在我国,以下哪种电压等级属于小电流接地电网?
【简答题】请完成第四章课后作业 P97 页 第 7 题。