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【单选题】
教育研究最基本、最常用的一种研究方法是( )A.历史研究 B.观察研究 C.调查研究 D.实验研究
A.
A
B.
B
C.
C
D.
D
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举一反三
【单选题】已知Y型和Δ型电阻电路等效,若Y型电路中R1=R2=R3=3Ω,则Δ型电路中的R12为( )。
A.
0.33Ω
B.
1Ω
C.
3Ω
D.
9Ω
查看完整题目与答案
【单选题】( )不适合将复杂加工程序输入到数控装置
A.
纸袋
B.
磁盘
C.
电脑
D.
键盘
查看完整题目与答案
【单选题】下列疾病中哪项是宫腔镜检的适应症( )
A.
子宫异位妊娠
B.
卵巢囊肿
C.
子宫内膜癌
D.
畸胎瘤
E.
宫颈癌
查看完整题目与答案
【多选题】上文所提出假说大致是从以下几个方面进行推论的?
A.
物质层面
B.
人的思想层面
C.
社会的制度层面
D.
宗教层面
查看完整题目与答案
【简答题】完形填空。 history, choose, common, buy, make, enjoy, way, another, while, serve American summers are filled with outdoor picnics, baseball s and swimming pools. Summer in America is a time 1_...
查看完整题目与答案
【单选题】The Ship Security Alert System information transmitted including ________.
A.
Ship’s position
B.
ship’s depth
C.
main alarm
D.
ship’s course & speed
查看完整题目与答案
【判断题】1992年的“中国友好观光年“拉开了全国“旅游主题年“的序幕,此后每年都确定了一个主题,集中开展宣传促销和产品推广活动。 P10
A.
正确
B.
错误
查看完整题目与答案
【单选题】提高砼的强度,可以采取( )措施。
A.
增大砂率
B.
采用卵石
C.
采用高强度水泥
D.
改善和易性
查看完整题目与答案
【单选题】When turning a ship in restricted space with a strong wind, it is normally best to ______
A.
go ahead on both engines with the rudder hard to one side, if on a twin-screw vessel
B.
back down with the rudder hard to one side, if on a single-screw vessel
C.
take advantage of the tendency to back to port, if on a twin-screw vessel
D.
turn so that the tendency to back into the wind can be used, if on a single-screw vessel
查看完整题目与答案
【单选题】Choose out the questions for asking about family history.
A.
Does anyone in your family have …?
B.
Do you have such ... before?
C.
Are you allergic to ...?
D.
What medicines are you taking now?
查看完整题目与答案
相关题目:
【单选题】已知Y型和Δ型电阻电路等效,若Y型电路中R1=R2=R3=3Ω,则Δ型电路中的R12为( )。
A.
0.33Ω
B.
1Ω
C.
3Ω
D.
9Ω
查看完整题目与答案
【单选题】( )不适合将复杂加工程序输入到数控装置
A.
纸袋
B.
磁盘
C.
电脑
D.
键盘
查看完整题目与答案
【单选题】下列疾病中哪项是宫腔镜检的适应症( )
A.
子宫异位妊娠
B.
卵巢囊肿
C.
子宫内膜癌
D.
畸胎瘤
E.
宫颈癌
查看完整题目与答案
【多选题】上文所提出假说大致是从以下几个方面进行推论的?
A.
物质层面
B.
人的思想层面
C.
社会的制度层面
D.
宗教层面
查看完整题目与答案
【简答题】完形填空。 history, choose, common, buy, make, enjoy, way, another, while, serve American summers are filled with outdoor picnics, baseball s and swimming pools. Summer in America is a time 1_...
查看完整题目与答案
【单选题】The Ship Security Alert System information transmitted including ________.
A.
Ship’s position
B.
ship’s depth
C.
main alarm
D.
ship’s course & speed
查看完整题目与答案
【判断题】1992年的“中国友好观光年“拉开了全国“旅游主题年“的序幕,此后每年都确定了一个主题,集中开展宣传促销和产品推广活动。 P10
A.
正确
B.
错误
查看完整题目与答案
【单选题】提高砼的强度,可以采取( )措施。
A.
增大砂率
B.
采用卵石
C.
采用高强度水泥
D.
改善和易性
查看完整题目与答案
【单选题】When turning a ship in restricted space with a strong wind, it is normally best to ______
A.
go ahead on both engines with the rudder hard to one side, if on a twin-screw vessel
B.
back down with the rudder hard to one side, if on a single-screw vessel
C.
take advantage of the tendency to back to port, if on a twin-screw vessel
D.
turn so that the tendency to back into the wind can be used, if on a single-screw vessel
查看完整题目与答案
【单选题】Choose out the questions for asking about family history.
A.
Does anyone in your family have …?
B.
Do you have such ... before?
C.
Are you allergic to ...?
D.
What medicines are you taking now?
查看完整题目与答案
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