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第二次世界大战以后，美国通过大量技术投入和大规模专业化生产，成为世界最大的大豆生产国和出口国。巴西自20世纪70年代开始种植大豆，在积极培育优良品种的同时，鼓励农民组建农场联合体，实现了大豆的规模化生产与经营。目前，巴西的大豆产量、出口量仅次于美国。中国曾是世界最大的大豆生产国和出口国，近些年大豆的质量下降（品种退化，出油率低），生产成本较高，成为世界最大的大豆进口国。据此完成1～3题。 1．美国成为世界最大的大豆生产国和出口国不是因为 [     ] A．技术力量雄厚 B．气候条件较优越 C．市场需求量大 D．劳动力较充足 2．在国际市场上，巴西大豆价格低于美国的主要原因是巴西 [     ] A．专业化水平较高 B．科技投入较大 C．劳动生产率较高 D．劳动力价格较低 3．中国要提高大豆质量亟需 [     ] A．加大科技投入 B．扩大种植面积 C．增加劳动力投入 D．加大化肥使用量
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【简答题】阅读理解。 Eating healthily is important for you. Good eating habits are good for you in your whole life. Your body needs energy to work. Where does energy from? It's from the food you eat every day. But i...
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【简答题】My eating________ (habit) are pretty good．
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【单选题】《诗经》在当时被划分为“风、雅、颂”,其划分的主要标准是
A.
地域
B.
社会内容
C.
音乐
D.
内容
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【单选题】—Has your father got up? —Sorry, I’m not sure. He __________ got up. Please go and see for yourself.
A.
must have
B.
can’t have
C.
would have
D.
might have
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【多选题】卵巢的功能有哪些?
A.
产生卵子
B.
分泌雌激素
C.
分泌孕激素
D.
受精部位
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【单选题】vegetables good for you.
A.
Eat, are
B.
Eating, are
C.
Eating, is
D.
Eat, is
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【判断题】滚动轴承内圈与轴的配合采用基孔制，外圈与外壳孔的配合采用基轴制
A.
正确
B.
错误
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【判断题】滚动轴承内圈与轴的配合采用基孔制，外圈与座孔配合采用基轴制。
A.
正确
B.
错误
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【单选题】Mary got up early________ she could prepare breakfast for her brother.
A.
so that
B.
although
C.
as if
D.
even if
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【单选题】—Has your father got up?—Sorry, I’m not sure. He __________ got up. Please go and see for yoursel
A.
34．—Has your father got up? —Sorry, I’m not sure. He __________ got up. Please go and see for yourself. A．must have
B.
can’t have
C.
would have
D.
might have
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相关题目：
【简答题】阅读理解。 Eating healthily is important for you. Good eating habits are good for you in your whole life. Your body needs energy to work. Where does energy from? It's from the food you eat every day. But i...
查看完整题目与答案
【简答题】My eating________ (habit) are pretty good．
查看完整题目与答案
【单选题】《诗经》在当时被划分为“风、雅、颂”,其划分的主要标准是
A.
地域
B.
社会内容
C.
音乐
D.
内容
查看完整题目与答案
【单选题】—Has your father got up? —Sorry, I’m not sure. He __________ got up. Please go and see for yourself.
A.
must have
B.
can’t have
C.
would have
D.
might have
查看完整题目与答案
【多选题】卵巢的功能有哪些?
A.
产生卵子
B.
分泌雌激素
C.
分泌孕激素
D.
受精部位
查看完整题目与答案
【单选题】vegetables good for you.
A.
Eat, are
B.
Eating, are
C.
Eating, is
D.
Eat, is
查看完整题目与答案
【判断题】滚动轴承内圈与轴的配合采用基孔制，外圈与外壳孔的配合采用基轴制
A.
正确
B.
错误
查看完整题目与答案
【判断题】滚动轴承内圈与轴的配合采用基孔制，外圈与座孔配合采用基轴制。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Mary got up early________ she could prepare breakfast for her brother.
A.
so that
B.
although
C.
as if
D.
even if
查看完整题目与答案
【单选题】—Has your father got up?—Sorry, I’m not sure. He __________ got up. Please go and see for yoursel
A.
34．—Has your father got up? —Sorry, I’m not sure. He __________ got up. Please go and see for yourself. A．must have
B.
can’t have
C.
would have
D.
might have
查看完整题目与答案
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