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【简答题】
跟凸透镜主光轴平行的光线经过透镜后会聚的情形如图甲所示。若将一放在此凸透镜左侧如图示的位置，则在透镜的 ____侧（填“左”或“右”）可以成一个____立、____ （填“放大”“缩小”或“等大”）的实像。
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参考答案：
举一反三
【简答题】指北针符号,圆用细实线绘制,圆的直径正确的是 mm
查看完整题目与答案
【单选题】为了保证国际航行的安全，各国运输企业在技术规范、航行程序、操作规则上必须统一。同时，为了便于航空公司间的合作和业务联系，______将世界划分为TC1，TC2，TC3三个大区。
A.
IATA
B.
SITA
C.
CASS
D.
ICAO
查看完整题目与答案
【多选题】Which of the following statements about the British Empire are True?
A.
It covered almost a quarter of the Earth's total land area.
B.
It was an empire which covered the most area in the history.
C.
Its political,legal,linguistic and cultural legacy is widespread.
D.
It was often described as "the empire on which the sun never sets".
查看完整题目与答案
【多选题】Which of the following statements about the British Empire are True?
A.
It was an empire which covered the most area in the history
B.
It covered almost a quarter of the Earth's total land area.
C.
Its political,legal,linguistic and cultural legacy is widespread.
D.
It was often described as "the empire on which the sun never sets".
查看完整题目与答案
【单选题】21.个人计算机采用ADSL方式接入因特网,需要具备的硬件是( )
A.
电话机
B.
电话线和ADSL Modem
C.
声卡
D.
传真机
查看完整题目与答案
【多选题】Which of the following statements about the British Empire are True?
A.
It ruled about one-fifth of the world's population at its height.
B.
It covered almost a quarter of the Earth's total land area.
C.
Its political,legal,linguistic and cultural legacy is widespread.
D.
It was often described as "the empire on which the sun never sets".
查看完整题目与答案
【单选题】肌力达三级(MMT)患者，进行肌力训练时，宜采用
A.
被动活动
B.
助力活动
C.
主动活动
D.
抗阻活动
E.
牵张活动
查看完整题目与答案
【单选题】指北针符号的圆用细实线绘制，其直径为（）mm，指北针尾部的宽度宜为（）mm。
A.
24mm；3mm
B.
21mm；3mm
C.
180mm；2mm
D.
150mm；2mm
查看完整题目与答案
【单选题】病人，男性，63岁。既往大便困难，3-4天一次，大便干结，无腹泻、便血，无冠心病史。此次突发腹部疼痛，伴停止排便排气，无呕吐。体格检查：腹部膨隆，以左下腹明显，可见巨大肠型，叩诊为鼓音，肠鸣音活跃，无移动性浊音，指诊直肠空虚，指套有血迹。为进一步诊断，可行哪项检查
A.
血常规检查
B.
腹部B超
C.
选择性动脉造影
D.
X线钡灌肠
E.
血、尿淀粉酶
查看完整题目与答案
【单选题】指北针符号中,圆用细实线绘制,其直径为( )mm。
A.
24
B.
14
C.
10
D.
8
查看完整题目与答案
相关题目：
【简答题】指北针符号,圆用细实线绘制,圆的直径正确的是 mm
查看完整题目与答案
【单选题】为了保证国际航行的安全，各国运输企业在技术规范、航行程序、操作规则上必须统一。同时，为了便于航空公司间的合作和业务联系，______将世界划分为TC1，TC2，TC3三个大区。
A.
IATA
B.
SITA
C.
CASS
D.
ICAO
查看完整题目与答案
【多选题】Which of the following statements about the British Empire are True?
A.
It covered almost a quarter of the Earth's total land area.
B.
It was an empire which covered the most area in the history.
C.
Its political,legal,linguistic and cultural legacy is widespread.
D.
It was often described as "the empire on which the sun never sets".
查看完整题目与答案
【多选题】Which of the following statements about the British Empire are True?
A.
It was an empire which covered the most area in the history
B.
It covered almost a quarter of the Earth's total land area.
C.
Its political,legal,linguistic and cultural legacy is widespread.
D.
It was often described as "the empire on which the sun never sets".
查看完整题目与答案
【单选题】21.个人计算机采用ADSL方式接入因特网,需要具备的硬件是( )
A.
电话机
B.
电话线和ADSL Modem
C.
声卡
D.
传真机
查看完整题目与答案
【多选题】Which of the following statements about the British Empire are True?
A.
It ruled about one-fifth of the world's population at its height.
B.
It covered almost a quarter of the Earth's total land area.
C.
Its political,legal,linguistic and cultural legacy is widespread.
D.
It was often described as "the empire on which the sun never sets".
查看完整题目与答案
【单选题】肌力达三级(MMT)患者，进行肌力训练时，宜采用
A.
被动活动
B.
助力活动
C.
主动活动
D.
抗阻活动
E.
牵张活动
查看完整题目与答案
【单选题】指北针符号的圆用细实线绘制，其直径为（）mm，指北针尾部的宽度宜为（）mm。
A.
24mm；3mm
B.
21mm；3mm
C.
180mm；2mm
D.
150mm；2mm
查看完整题目与答案
【单选题】病人，男性，63岁。既往大便困难，3-4天一次，大便干结，无腹泻、便血，无冠心病史。此次突发腹部疼痛，伴停止排便排气，无呕吐。体格检查：腹部膨隆，以左下腹明显，可见巨大肠型，叩诊为鼓音，肠鸣音活跃，无移动性浊音，指诊直肠空虚，指套有血迹。为进一步诊断，可行哪项检查
A.
血常规检查
B.
腹部B超
C.
选择性动脉造影
D.
X线钡灌肠
E.
血、尿淀粉酶
查看完整题目与答案
【单选题】指北针符号中,圆用细实线绘制,其直径为( )mm。
A.
24
B.
14
C.
10
D.
8
查看完整题目与答案
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