【单选题】Americans have / haven ’ t special karaoke bars.
【单选题】Why do the Americans have fewer proverbs now?
A.
They don't have a rich culture.
B.
They find proverbs too simple to explain things now.
C.
They don't like using proverbs.
D.
They think it unimportant to keep proverbs.
【简答题】写出 8 种必需氨基酸和 2 种半必需氨基酸
【单选题】Which of the following is NOT mentioned by Laura as something Americans have a difficult time doing?
A.
Having family members employed in Iraq.
B.
Watching images from Iraq.
C.
Worrying about their family members in Iraq.
D.
Watching American troops in Iraq.
【简答题】Why do more Americans have to drive to work? Because they have moved out of the ______to the suburbs.
【多选题】卫生统计学主要用于
A.
研究社会条件,环境因素及生物因素对人民健康的影响
【判断题】Since Americans don’t have inherited titles, we should address them their first names all the time.()
【简答题】在作物育种中,影响选择效果的主要因子有哪些?
【判断题】冷却塔的冷却能力受到空气干球温度的影响,与湿球温度的关系不大。( )