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问题 单项选择题

在用移动平均趋势剔除法测定季节变动时，剔除长期趋势的方法是（）

A.按月资料移动平均

B.按季资料移动平均

C.将实际值除以趋势值

D.将实际值乘以趋势值

答案

参考答案：C

阅读理解
Canberra is the capital of Austrlia. It is a modern and lively city with a pupulation of over 345,000.
History
Canberra is the eighth largest city in Australia It is 238 km from Sydney and 507 km from Melboume. Melbourne was once the capital of Australia. Sydney people also wanted to make their city the capital. It was difficult for the govement to make the decision. Then n 1911, the government chose a pl.ace to build the new apital. It w.as between Sydney and Melbourne, the two
Argest cities in Australia. Jt took more than 14 years to build the city, In 1927, the city was set up.It became the apital and was named Canberra. “Canberra” means “a place for friends to get together”.
 
Cutture
Canberra is a beautiful city with trees and  flowers everywhere. There’s a Flower Festival in Septem ber each year. People can enjoy aii kinds of beautiful flowers and welcome the spring to amve. A man-made lake –Lake Burley Griffin is in the centerof the city, It’s about 25 km fong. People like to ride bikes, walk or run around the lake. In Canberra, there’re many famous universities like the Australian Nationa/ University and the University of Canberra. The National Library and the National Museum of Australia are also famous places that people like to visit.
小题1: How far is Canberra from Sydneyt?
A．25 knLB．238 km.C．345 km. .D．507 km.
小题2:Tboword “Canbena  means ______.
A．the largest cityB．beautiful man-made lake
C．the old capital cityD．a place for friends to get together
小题3:  Canberra Flower Festival is a festival to        .
A．ride bikesB．visit universities
C．welcome the springD． walk around the lake .
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单项选择题

化脓性脑膜炎并发硬膜下积液，下列哪种情况需神经外科手术治疗()

A．久积液为脓性者

B．积液量过多颅压增高明显者

C．反复穿刺4～5周后仍抽液不净者

D．反复抽液3个月后仍持续颅压增高者

E．出现硬膜下积液，立即手术
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