关于促性腺激素，下列哪项错误（） A.促性腺激素呈脉冲式分泌 B.垂体促性腺激素包括
题型：单项选择题 A1型题
问题：
关于促性腺激素，下列哪项错误（）
A.促性腺激素呈脉冲式分泌
B.垂体促性腺激素包括FSH和LH
C.FSH和LH均含有α和β亚单位
D.FSH、LH、HCG的α亚单位结构基本相似
E.FSH和LH的α亚单位决定其生物学特性
题型：单项选择题 A1型题
In front of a popular restaurant, a line of
customers wait for taxis. And wait. Most of the cabs(taxis) are full. That’s nothing unusual in this city of 4 million people. But it’s 2:30 in the morning.
Visitors to the Olympic Games may leave disappointed if they see Athens only through the eyes of the typical tourist, who makes a beeline of the islands after the visit to the Acropolis(雅典卫城) and the unusual and attractive Plaka district. To fully appreciate and discover Athens’
many charms(魅力), do as the Greeks do: walk out into the neighborhoods, find the packed nightclubs, eat at one of the innumerable(数不清的) restaurants, or see Hollywood stars under real stars in a romantic outdoor cinema.
The Greek capital is named for the ancient goddess Athena, whose favourite animal was the owl(猫头鹰). It’s a fitting symbol for the city’s nocturnal (夜里的) nature, which often reaches its highest point in summer with a rush hour just before dawn.
As native Athenian Panos Demestiha said, Athens by day is unlivable(不宜居住的), but it’s magical at night. Athenians face up to heavy traffic block, decreasing green space, dusty streets… City officials are using the momentum(契机) of the August 13-29 Olympics to fix some of these problems and make city life morebearable.
72. To the surprise of the visitors to Athens , ____.
A．most of the cabs are often full all day long
B. the cabs are often empty
C. the cabs are almost full even at 2:30 am
D. there is no cab in the street at 2:30 am.
73. The name of Athens came from ____.
A. a goddess B. a famous athlete C. a kind of animal D. a kind of plant
74. The typical visitors will often visit the following places EXCEP ____.
A. the neighborhood B. the Plaka district C. the Acropolis D. famous islands
75. The underlined word “bearable” in the last paragraph can be replaced by “____”.
A. astonishing B. forgettable C. exciting D. comfortable