【名词&注释】
心动过速(tachycardia)、心功能不全(cardiac insufficiency)、下呼吸道(lower respiratory tract)、申请日(filing date)、保护期限(length of protection)、发明专利权、度房室传导阻滞(complete heart block)
[多选题]休克代偿期症状是 （ ）
A. 血压正常或稍高
B. 表情淡漠
C. 尿量减少
D. 皮肤粘膜紫绀
E. 过度换气
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举一反三：
[单选题]发明专利权的保护期限为
A. 20年，自申请日起算
B. 10年，自申请日起算
C. 20年，自审查通过日起算
D. 10年，自审查通过日起算
[单选题]下列种间关系中属于正相互作用的是( )
A. 竞争
B. 寄生
C. 互利共生
D. 捕食
[单选题]Passage FiveThe Northern Pike is a very bad fish. It is a big, hungry fish, and swallows little fish such as trout and perch. Many Northern Pikes live in Lake Davis. They are killing all the smaller fish in the lake. The Northern Pike are a serious threat to the lake because they eat all the smaller fish. Soon, all other species of fish in the lake will be killed off. This is not healthy for the environment.
A. Experts are afraid that the Northern Pike will swim out of Lake Davis through many smaller rivers that feed into the lake. They could spread all over the country and damage many other water environments. If that happens, it would be too late to stop the Northern Pike.
B. For ten years, officials have been trying to remove the Northern Pike from Lake Davis. They haw. tried using nets, explosives and poisons. However, the Northern Pike population is still doing well in Lake Davis. Many people do not like the idea of using poison to kill the fish. They worry that the poi- sons are bad for humans who use the water. No trace of the poisons has ever been found in local wells, however.
C. Scientists are going to try the poison again. This time, they will drain the lake before they add the poison to the water. A public hearing will be held to talk about the problem.
D. 52. Why are some people against the use of poisons to kill Northern Pike?
E. Fishermen will be poisoned too.
F. The poisons are expensive.
G. They think that wells will be polluted.
H. The lake will become unsafe.
[单选题]最容易引起重叠性奔马律的疾病是( )
A. 心功能不全伴心动过速
B. 心功能不全伴正常心率
C. 心功能不全伴第二度房室传导阻滞(complete heart block)
D. 第三度房室传导阻滞(complete heart block)
E. 完全左束支传导阻滞
[单选题]下列属于下呼吸道的是 （ ）
A. 咽
B. 鼻
C. 气管
D. 喉
E. 口腔
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