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【单选题】
按照摩尔根在《古代社会》一书中提出的,后来为在《家庭、私有制和国家的起源》一书中加以肯定的婚姻家庭进化模式,群婚制的高级形式是( )A.
血缘群婚
B.
杂婚
C.
路亚群婚
D.
交换婚
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【简答题】完形填空。 Dabao is a 1 boy, He is 2 Tokyo. He 3 speak Chinese. But he wants to study 4 . So he comes to 5 . Every morning, he 6 in a middle school and teaches Chinese students 7 . Every afternoon,he goes ...
【单选题】____, he would have passed the exam. A. If he were to study B. If he studied hard C. Had he studied hard D. Should he study hard
A.
B.
C.
D.
D
【单选题】He ( ) to study harder in the future so that he could have more opportunities to find a better job.
A.
resolved
B.
resorted
C.
requested
D.
reserved
【单选题】学校食堂里午餐品种丰富多样，蔬菜中主要有胡萝卜、芹菜、大白菜等等．请问胡萝卜、芹菜、大白菜的主要食用部分分别是植物体的什么器官（ ）
A.
果实、茎、叶
B.
根、茎、叶
C.
根、叶、茎
D.
根、茎、茎
【简答题】A．He did not like to study. B．He had to work to support his family. C．A friend of his father' s offered him a job. D．His father did not like him to study Art.
【单选题】What is the man's problem?
A.
He has to study for an important exam.
B.
He needs to prepare for a class discussion.
C.
He owes a fine at the library.
D.
He does not own a DVD player.
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