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读下面甲、乙 两幅图 19. 制约甲图中 ② 图中 ⑧ 区农业生产的自然因素分别是 ( ) A. 热量、水分 B. 地形、土壤 C. 水分、地形 D. 土壤、热量 20 ．下列关于甲图的叙述，正确的是 ( ) A. ① 区耕地面积广，适于大规模机械化生产 B. ② 区农业发展历史悠久，劳动力充足，劳动生产率高 C. ③ 区地处内陆，为我国最主要的温带草原牧区 D. ④ 区地形复杂，农业生产以河谷农业为特色 21. 与甲图 ③ 区的农业生产条件和农业类型最相似的是 ( ) A. ⑧ B. ⑦ C. ⑥ D. ⑤
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【单选题】Whenever he has time he will go to the library, because there are always a lot of reference books for him to over.
A.
study
B.
brown
C.
browse
D.
browser
【单选题】My father helps me with my homework______ he has time.
A.
wherever
B.
who
C.
which
D.
whenever
【单选题】A person has a comparative advantage in an activity whenever he or she
A.
has an absolute advantage in the activity.
B.
can perform the activity at a lower opportunity cost than can anyone else.
C.
can do the activity in less time than anyone else.
D.
can do everything better than anyone else.
【简答题】My father helps me with my homework. He does this when he has time. (whenever)
【判断题】European Charter of Patients' Rights (2002) declares that, "Each individual has the right to complain whenever he or she has suffered a harm and the right to receive a response or other feedback. Each...
A.
正确
B.
错误
【简答题】“电源—电弧”系统稳定,包含哪两方面的含义?为保证“电源—电弧”系统稳定,在电源外特性曲线与电弧静特性曲线的交点位置,应保证两曲线的斜率满足何种关系?
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【简答题】A. is keen on B. definite C. admire D. make up his mind E. keep a goal in mind 1. Your English is so good. I _______ you. 2. Linda ________ classical music, so she attends ...
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