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【单选题】
学生在参加野外植物考查时,发现了一种不认识的植物,该植物花冠呈“十字形”,进一步观察发现其花具有四强雄蕊,则该植物最可能是()植物。
A.
豆科
B.
茄科
C.
十字花科
D.
唇形科
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【判断题】粗金属精炼时,粗金属做阳极,阳极泥是比被精炼金属不活泼的金属。
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【单选题】Please finds out the main idea of the following paragraph. Let's acknowledge the facts. The New York Times reports close to 80 percent of new jobs can be performed by someone without a college degree....
A.
The New York Times reports close to 80 percent of new jobs can be performed by someone without a college degree.
B.
The US Department of Education estimates that only 62 percent of those enrolled in four-year institutions had earned a bachelor's degree six years later!
C.
This dilemma means that 38 percent have likely wasted time and accumulated debt!
D.
In the US, the cost of college has risen tenfold over the last 30 years, a ratio that is three times as much as general inflation over the same time period.
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【简答题】采用硫化精炼某种粗金属时，必须满足:亲合力（Me主-S）[填空(1)] 亲合力（Me杂-S）
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【单选题】Please finds out the major details of the following paragraph. Let's acknowledge the facts. The New York Times reports close to 80 percent of new jobs can be performed by someone without a college deg...
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The New York Times reports close to 80 percent of new jobs can be performed by someone without a college degree.
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This dilemma means that 38 percent have likely wasted time and accumulated debt!
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It is clear, from an objective point of view, that many more students should be attending technical schools or two-year colleges to prepare for the jobs that will actually be available to them.
查看完整题目与答案
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查看完整题目与答案
【判断题】粗金属精炼时,粗金属做阳极,阳极泥是比被精炼金属不活泼的金属。
A.
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B.
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查看完整题目与答案
【单选题】Please finds out the main idea of the following paragraph. Let's acknowledge the facts. The New York Times reports close to 80 percent of new jobs can be performed by someone without a college degree....
A.
The New York Times reports close to 80 percent of new jobs can be performed by someone without a college degree.
B.
The US Department of Education estimates that only 62 percent of those enrolled in four-year institutions had earned a bachelor's degree six years later!
C.
This dilemma means that 38 percent have likely wasted time and accumulated debt!
D.
In the US, the cost of college has risen tenfold over the last 30 years, a ratio that is three times as much as general inflation over the same time period.
查看完整题目与答案