皮皮学，免费搜题
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【单选题】
在同样的拍摄条件下，广角镜头的景深要比使用长焦镜头时得到的景深{.XZ}。A.
小
B.
大
C.
相等
D.
不一定
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
【单选题】户外活动时,明明扭伤了脚,下列错误的处理方法 ( )。
A.
24 小时内用冰块或冷水毛巾反复多 次冷敷 （20~30min，检查皮肤的温度，间隔 10~20min）
B.
24-48 小时后热敷/活络油，促进血液循环
C.
怀疑骨折应去医院检查
D.
揉按受伤部位
【简答题】Soon after he transferred to the new school , Ali found that he had (很难跟上班里的同学)in math and English.
【简答题】Mr Clark was born in a small town of England. When he finished middle school, he found work in the police station and he has worked there 42 years and he'll retire(退休)this autumn. He tried to work har...
【单选题】户外活动时,明明扭伤了脚,下列错误的处理方法( )。
A.
24小时内用冰块或冷水毛巾反复多次冷敷20~30min,
B.
立即停止运动
C.
24-48小时后热敷/涂活络油,促进血液循环
D.
揉按受伤部位,怀疑骨折应去医院检查
【简答题】食品中亚硝胺类化合物是怎样产生的?如何预防?
【单选题】Operations ( ) is a document that describes in detail the processes that users operate the softwar。
A.
Paper
B.
Book
C.
Menu
D.
Manual
【单选题】户外活动时,明明扭伤了脚,下列错误的处理方法( )。
A.
24小时内用冰块或冷水毛巾反复多次冷敷（20~30min，检查皮肤的温度，间隔10~20min）
B.
怀疑骨折应去医院检查
C.
揉按受伤部位
D.
24-48小时后热敷/活络油，促进血液循环
【单选题】A student in our school will be immediately sent home if he is found __________ computer games at night.
A.
play
B.
playing
C.
to play
D.
played
【单选题】He hurried to the school only _______ the campus was empty ___ it was Sunday!.
A.
find; because
B.
found; because of
C.
to find; because of
D.
to find; because
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