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【多选题】
To write good reports, researchers need to：
A.
provide details
B.
integrate supporting materials
C.
draw explicit conclusions
D.
publish it
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参考答案：
举一反三
【单选题】在ISO/OSI参考模型中,最低层和最高层分别是()
A.
传输层和会话层
B.
网络层和应用层
C.
物理层和应用层
D.
链路层和表示层
查看完整题目与答案
【多选题】下列属于次级代谢物特点的是
A.
分子结构复杂
B.
生理功能不明确
C.
其合成一般受质粒控制
D.
一般在生长初期合成
查看完整题目与答案
【单选题】By the first century A.D, historians say, the Chinese had some knowledge of the winds and currents of the Pacific. When weather prevented the Chinese from navigating by the sky their mariners(水手) used...
A.
with their knowledge of the winds
B.
by the sky
C.
by the compass
D.
by the currents of the Pacific
查看完整题目与答案
【单选题】Some recent historians have argued that life in the British colonies in America from approximately 1763 to 1789 was marked by internal conflicts among colonists. Inheritors of some of the viewpoints o...
A.
potentially verifiable
B.
partially justified
C.
logically contradictory
D.
ingenious but flawed
查看完整题目与答案
【单选题】下列不属于次级代谢物特点的是()
A.
分子结构复杂
B.
其合成一般受到质粒控制
C.
生理功能不明确
D.
一般在生长初期合成
查看完整题目与答案
【简答题】A．They keep some record of historians' achievements. B．They build monuments and write the stories of historians down. C．They continued to look for new information which helps us understand the past mo...
查看完整题目与答案
【判断题】在计算总体均数的95%置信区间时，样本含量越大，计算出的置信区间越可信。
A.
正确
B.
错误
查看完整题目与答案
【多选题】与滚动轴承相比，滑动轴承工作时具有（）的特点。
A.
寿命长
B.
承载能力高
C.
抗振性好
D.
噪声小
查看完整题目与答案
【简答题】某同学在做青霉素摇瓶发酵周期实验如下图,试运用所学的发酵工程专业知识回答以下问题(共 25 分): (1) Gaden把微生物发酵分为哪三种类型(3分)?青霉素发酵属于哪种类型(2分)?有何特点(3分)? (2) 青霉素发酵是次生代谢产物的典型代表,根据图回答次级代谢的代谢变化分为哪三个阶段?其中发酵时段0~60h,61~144h,145~192h各为什么阶段(6分),并确定青霉素的最佳发酵周期(...
查看完整题目与答案
【简答题】Considered by some film historians to be the greatest movie ever made, it is famous for unusual sound and camera techniques.(翻译)
查看完整题目与答案
相关题目：
【单选题】在ISO/OSI参考模型中,最低层和最高层分别是()
A.
传输层和会话层
B.
网络层和应用层
C.
物理层和应用层
D.
链路层和表示层
查看完整题目与答案
【多选题】下列属于次级代谢物特点的是
A.
分子结构复杂
B.
生理功能不明确
C.
其合成一般受质粒控制
D.
一般在生长初期合成
查看完整题目与答案
【单选题】By the first century A.D, historians say, the Chinese had some knowledge of the winds and currents of the Pacific. When weather prevented the Chinese from navigating by the sky their mariners(水手) used...
A.
with their knowledge of the winds
B.
by the sky
C.
by the compass
D.
by the currents of the Pacific
查看完整题目与答案
【单选题】Some recent historians have argued that life in the British colonies in America from approximately 1763 to 1789 was marked by internal conflicts among colonists. Inheritors of some of the viewpoints o...
A.
potentially verifiable
B.
partially justified
C.
logically contradictory
D.
ingenious but flawed
查看完整题目与答案
【单选题】下列不属于次级代谢物特点的是()
A.
分子结构复杂
B.
其合成一般受到质粒控制
C.
生理功能不明确
D.
一般在生长初期合成
查看完整题目与答案
【简答题】A．They keep some record of historians' achievements. B．They build monuments and write the stories of historians down. C．They continued to look for new information which helps us understand the past mo...
查看完整题目与答案
【判断题】在计算总体均数的95%置信区间时，样本含量越大，计算出的置信区间越可信。
A.
正确
B.
错误
查看完整题目与答案
【多选题】与滚动轴承相比，滑动轴承工作时具有（）的特点。
A.
寿命长
B.
承载能力高
C.
抗振性好
D.
噪声小
查看完整题目与答案
【简答题】某同学在做青霉素摇瓶发酵周期实验如下图,试运用所学的发酵工程专业知识回答以下问题(共 25 分): (1) Gaden把微生物发酵分为哪三种类型(3分)?青霉素发酵属于哪种类型(2分)?有何特点(3分)? (2) 青霉素发酵是次生代谢产物的典型代表,根据图回答次级代谢的代谢变化分为哪三个阶段?其中发酵时段0~60h,61~144h,145~192h各为什么阶段(6分),并确定青霉素的最佳发酵周期(...
查看完整题目与答案
【简答题】Considered by some film historians to be the greatest movie ever made, it is famous for unusual sound and camera techniques.(翻译)
查看完整题目与答案
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