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【单选题】
Why do so many countries compete for hosting the Olympic Games?A.
Because it can bring in lots of money to the host country.
B.
Because it can make the host country win more medals.
C.
Because it's a great responsibility and a great honour.
D.
Because it can make the host country stronger.
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【单选题】关于咽后脓肿哪一项是错误的
A.
急性型常是咽后淋巴结化脓所致
B.
慢性型多由颈椎结核引起
C.
脓肿切开应取仰卧头低位
D.
咽喉部脓肿切开，应有做气管切开的准备
E.
结核性咽后脓肿应常规做气管切开
【单选题】If you are selected to contribute to the newspaper, you are advised to check the facts in your articles to the______extent possible.
A.
fuller
B.
fullest
C.
more fuller
D.
more fullest
【单选题】If you observe the point of cloud convergence shifting to the right and the “bar”of the storm appears to move along the horizon ______．
A.
The center of the storm will by-pass you
B.
The storm will strike you on the starboard side
C.
You are in the direct path of the storm and should take immediate steps to batten down loose gear
D.
The storm is starting to break up
【单选题】用硫酸钡称量法测定黄铁矿中硫的含量时,为排除Fe3+、Cu2+先将试液通过( )交换树脂,再进行测定。
A.
碱性阴离子
B.
弱碱性阴离子
C.
强酸性阳离子
D.
弱酸性阳离子
【单选题】关于咽后脓肿，哪一项是错误的（）
A.
急性型常由咽后淋巴结化脓所致
B.
慢性型多由颈椎结核引起
C.
脓肿切开应取仰卧头低位
D.
咽喉部脓肿切开，应做气管切开的准备
E.
结核性咽后脓肿应常规做气管切开
【单选题】关于咽后脓肿哪一项是错误的:( )
A.
急性型常为咽后淋巴结化脓所致
B.
慢性型多由颈椎结核引起
C.
脓肿切开应取仰卧头低位
D.
喉咽部脓肿切开,应有做气管切开的准备
E.
结核性咽后脓肿应常规做气管切开
【判断题】上固定:在分析人体头颈和躯干骨骼肌工作时,若骨骼肌以其上端(靠近颅侧)附着点为定点,下端(靠近足侧)附着点为动点进行收缩,则该肌的工作条件为上固定。
A.
正确
B.
错误
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