皮皮学，免费搜题
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搜题
【单选题】
不完全竞争的产品市场中厂商对生产要素的需求曲线向右下方倾斜的原因是( )A.
要素生产的产品的边际收益MR递减
B.
要素的边际收益产量MP递减
C.
要素参加生产的规模报酬递减
D.
A和B
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】________ arouses his interest can be found in the school library and that is why he goes there ________ happens.
A.
No matter what; whatever
B.
Whatever; no matter what
C.
Anything; no matter what
D.
Anything; whatever
【单选题】The lazy boy got up very late and went to school in a hurry. When he arrived at school, he found
A.
50. The lazy boy got up very late and went to school in a hurry. When he arrived at school, he found that he had put his socks on _______. A．outside
B.
inside out
C.
side out
D.
back out
【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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