预防性治疗低钾性周期性瘫痪，下面哪项是最常用的（） A.口服补钾 B.皮质类固醇 C
题型：单项选择题
问题：
预防性治疗低钾性周期性瘫痪，下面哪项是最常用的（）
A.口服补钾
B.皮质类固醇
C.乙酰唑胺
D.静脉补钾
E.维生素类
题型：单项选择题
Toyota is the world's largest automaker, but its road to success has been long and filled with speed bumps（颠簸）.
1958：The company's first foray into the American market was the Toyopet in 1958. It was a flop.
1964：Toyota introduced their Corona line of automobiles and sales hit 6, 400 in 1965,
marking an increase in popularity.
1969：Toyota began importing the Corolla and in 1985 it would become the first Toyota built in the U.S.
1975：Toyota surpassed the popular German brand Volkswagen to become the top import sold in the U.S.
1986：The National Highway Traffic Safety Administration ordered its first recall of Toyota cars due to "speed control" problems.
1988：The First North American Toyota plant opened in Georgetown, Ky.
1989：Toyota introduced the Lexus LS 400, the company's first U.S. luxury car. It was a major hit.
1997：Toyota debuted their Prius gas-electric hybrid car.
2002：The first consumer complaints emerged of the Camry's engine surging under braking.
2004：The NHTSA opened a defect investigation into 2002-2003 Camry, Camry Solara and Lexus ES models.
2006：Toyota "Americanizes" and opened a new plant in Texas to b
uild full-size pickups
2007：Toyota surpassed General Motors to become the world's largest automaker.
2007：The NHTSA investigated pedal entrapment in some Toyota vehicles, which led recalls of floor mats on Camry and Lexus models.
2007：The NHTSA investigated pedal entrapment in some Toyota vehicles, which led recalls of floor mats on Camry and Lexus models.
Aug. 2009：An off-duty California Highway Patrol officer and three family members were killed when their rental 2009 Lexus ES speeds out of control.
Nov. 2009：Toyota recalled 3.8 million Lexus and Toyota models to remove floor mats that can trap pedals.
Jan
. 2010：Toyota recalled approximately 2.3 million more vehicles with potential sticking pedal problems. On Jan. 26, Toyota stopped selling eight models involved in the recall.
Feb. 2010：Prius and Lexus hybrids are now being recalled for brake problems in 2010 models.
小题1:Which of the following brands belong to Toyota family？
A．Toyopet, Volkswagen, Lexus, Prius
B．Camry, Prius, Lexus, Georgetown
C．Corona, Prius, Lexus, Corolla
D．General Motors, Lexus, Camry, Corolla小题2:The underlined the word in Para.6 probably means:
A．appreciation
B．sorrow
C．withdrawal
D．resolve小题3: We can infer from the passage that____________
A．Lexus LS 400 is a cheaper car
B．Prius may be a kind of environmentally friendly car
C．Corona became popular as soon as introduced to the US
D．Toyota’s plant opened in Georgetown symbolized its “Americanize” tactics小题4: The purpose of this passage is to
A．advertise for Toyota
B．introduce Toyota’ s struggle in the US
C．uncover Toyota’s braking problems
D．display Toyota’s glory小题5:What is the best title of the passage?
A．The world’s largest automaker
B．The rise of Toyota
C．Toyota meeting problems in the US
D．Toyota’s failure in the US