皮皮学，免费搜题
登录
搜题
【简答题】
（1）根据下图给出的入射光线和折射光线，在方框内画出一个适当类型的透镜。 （2）在图中画出反射光线，标出反射角的大小。 （3）下图是常用手电筒的剖面图。它有两种接通方式。短时间使用时按下按钮。长时间使用推动。请观察它的结构，在右边的方框内画出其相应的电路图。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
.
..
皮皮学刷刷变学霸
举一反三
【简答题】His mother had thought it would be good for his character to ________ from home and earn some money on his own. A．ran away B．take away C．keep away D．get away 
查看完整题目与答案
【多选题】列哪些是违反法律的( )
A.
中职生不等下课就去吃饭的行为
B.
李涛不小心打碎了邻居家的花盆，事后主动赔偿
C.
吴波跟同学李竞有矛盾，怀恨在心，找人把李竞打成重伤
D.
何亮偷窃网吧财物的行为
查看完整题目与答案
【判断题】0330038003000301585071135127复杂的程序结构都是由基本结构组合而成。
A.
正确
B.
错误
查看完整题目与答案
【单选题】His mother had thought it would be good for his character to ______from home and earn some money on his own.
A.
run away
B.
take away
C.
keep away
D.
get away
查看完整题目与答案
【单选题】病态发育与下列哪一因素关系最密切：
A.
遗传因素
B.
内分泌紊乱
C.
营养状况
D.
心理状态
E.
体育锻炼
查看完整题目与答案
【单选题】(Just) outside (the interest) (of places are) a glorious building (surrounded) by tall trees.
A.
Just
B.
the interest
C.
of places are
D.
surrounded
查看完整题目与答案
【单选题】His grandfather died ____ the wound that the enemy soldier had given him .and then his grand- mother died ____ hungry and cold.
A.
from,of
B.
of,from
C.
from,from
D.
of.of
查看完整题目与答案
【单选题】病态发育与下列哪一因素关系密切
A.
遗传因素
B.
内分泌因素
C.
营养状况
D.
心理状态
E.
体育锻炼
查看完整题目与答案
【单选题】墙面卷材防水计算按照( )计算。
A.
平方米
B.
立方米
C.
吨
D.
块
查看完整题目与答案
【单选题】The new year is just _________.
A.
in corner
B.
around the corner
C.
outside the corner
查看完整题目与答案
相关题目：
【简答题】His mother had thought it would be good for his character to ________ from home and earn some money on his own. A．ran away B．take away C．keep away D．get away 
查看完整题目与答案
【多选题】列哪些是违反法律的( )
A.
中职生不等下课就去吃饭的行为
B.
李涛不小心打碎了邻居家的花盆，事后主动赔偿
C.
吴波跟同学李竞有矛盾，怀恨在心，找人把李竞打成重伤
D.
何亮偷窃网吧财物的行为
查看完整题目与答案
【判断题】0330038003000301585071135127复杂的程序结构都是由基本结构组合而成。
A.
正确
B.
错误
查看完整题目与答案
【单选题】His mother had thought it would be good for his character to ______from home and earn some money on his own.
A.
run away
B.
take away
C.
keep away
D.
get away
查看完整题目与答案
【单选题】病态发育与下列哪一因素关系最密切：
A.
遗传因素
B.
内分泌紊乱
C.
营养状况
D.
心理状态
E.
体育锻炼
查看完整题目与答案
【单选题】(Just) outside (the interest) (of places are) a glorious building (surrounded) by tall trees.
A.
Just
B.
the interest
C.
of places are
D.
surrounded
查看完整题目与答案
【单选题】His grandfather died ____ the wound that the enemy soldier had given him .and then his grand- mother died ____ hungry and cold.
A.
from,of
B.
of,from
C.
from,from
D.
of.of
查看完整题目与答案
【单选题】病态发育与下列哪一因素关系密切
A.
遗传因素
B.
内分泌因素
C.
营养状况
D.
心理状态
E.
体育锻炼
查看完整题目与答案
【单选题】墙面卷材防水计算按照( )计算。
A.
平方米
B.
立方米
C.
吨
D.
块
查看完整题目与答案
【单选题】The new year is just _________.
A.
in corner
B.
around the corner
C.
outside the corner
查看完整题目与答案