做简单串联电路图。
参考答案：
With the________of making a fortune, many people went to Australia in the 19th century to wash
sand for gold. [ ]
A. task
B. intention
C. trade
D. appointment
SARS病人的病情高峰一般出现于()
A．10～14天
B．3天内
C．72小时内
D．36小时内
E．24小时
