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【单选题】
如下图所示，甲、乙、丙、四个体积形状相同而材料不同的球，图中所示是把它们投入水中后静止不动时的情况，它们中密度最小的球是： [ ]A.
甲
B.
乙
C.
丙
D.
丁
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反馈参考答案：
举一反三
【多选题】当平均产量达到最大值时
A.
边际产量处于递减阶段
B.
边际产量等于平均产量
C.
总产量处于递增阶段,但未达到最大值
D.
总产量达到最大值
E.
边际产量达到最大值
【判断题】Before imposing an anti-dumping tariff, the government must prove that the dumping causes or threatens to cause material injury to an established industry in its territory or materially retards the es...
A.
正确
B.
错误
【单选题】“春雨惊春清谷天，夏满芒夏暑相连，秋处露秋寒霜降，冬雪雪冬小大寒”。二十四节气对于农事安排具有很强的指导性，下列反映阳历六月初节气的农谚是( )。
A.
立夏桑果像樱桃
B.
满养蚕又种田
C.
芒种育秧放庭前
D.
夏至稻花如白练
【单选题】Which of the following is the least important characteristic of an effective collaborator?
A.
willingness to enter difficult conversations
B.
having experience as a collaborator
C.
showing the ability to receive critical feedback
D.
being skillful at giving negative feedback
E.
willing to put forward unpopular ideas
【判断题】The learner is a collaborator, collaborating with fellow students, with the teacher, and with the writers of text.
A.
正确
B.
错误
【单选题】“春雨惊春清谷天，夏满芒夏暑相连，秋处露秋寒霜降，冬雪雪冬小大寒”。节气对于指导农业生产具有很强的科学性。下列反映阳历六月初节气的农谚是( )。
A.
立夏桑果像樱桃
B.
小满养蚕又种田
C.
芒种玉秧放庭前
D.
夏至稻花如白练
【单选题】If a domestic industry lacks the capacity to meet demand, an _____ can raise prices for both the domestically produced and the imported good.
A.
import tariff
B.
import quota
C.
import subsidy
D.
ad valorem tariff
【单选题】Which of the following is the most important trait that an effective collaborator should have?
A.
avoiding unpopular ideas
B.
persuasive presentation skills
C.
giving and receiving critical feedback
D.
previous experience as a collaborator
E.
ability to resolve conflict
【单选题】“春雨惊春清谷天，夏满芒夏暑相连，秋处露秋寒霜降，冬雪雪冬小大寒。”二十四节气歌里的“处”即是处暑，该节气所指的意思是 [ ]
A.
气候开始炎热
B.
一年中最热的时候
C.
炎热的暑天结束
D.
炎热的夏天来临
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