皮皮学，免费搜题
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【单选题】
关于流行病学下列哪条不正确
A.
它是医学的基础学科
B.
它可以研究疾病的自然史
C.
它以个体为研究对象
D.
它能为卫生决策提供依据
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【单选题】One afternoon, in Paris, I took a trip to an art museum. I was looking forward to a quiet view of some great paintings of excellent artists. A young couple looking at the paintings in front of me were...
A.
The writer was a person with few words.
B.
The writer was waiting for some artists.
C.
The writer was looking for some great paintings.
D.
The writer wanted to enjoy great paintings quietly.
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【单选题】听力原文：W: You don't look smart this morning. I can see you're not happy. Come on, what happened? M: I had never expected this would have happened to me. We had a power failure at home last night and I m...
A.
The man is a football fan.
B.
The man needs the woman's help.
C.
The man didn't watch TV last night.
D.
The man often has power failure at home.
查看完整题目与答案
【多选题】习近平总书记在七一讲话中指出,我们党团结带领中国人民进行28年浴血奋战,打败日本帝国主义,推翻国民党反动统治,完成新民主主义革命,建立了中华人民共和国。这一伟大历史贡献的意义在于
A.
彻底结束了旧中国半殖民地半封建社会的历史
B.
彻底结束了旧中国一盘散沙的局面
C.
彻底废除了列强强加给中国的不平等条约和帝国主义在中国的一切特权
D.
实现了中国从几千年封建专制政治向人民民主的伟大飞跃
查看完整题目与答案
【简答题】下表是元素周期表的一部分。表中所列的字母分别代表某一种化学元素。 (1)Y分别与D、E形成的化合物中熔点较高是_____________ （用具体物质的化学式表示）。 (2) LY 4 分子的电子式是_______________。 (3)由J、L、R三种元素形成的某种配位化合物，常温下该化合物具有挥发性，化学式为J(LR) 4 ，其中J的化合价是0价。J(LR)4固态时属于____（填晶体类型）...
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【单选题】What can we infer from Paragraph 2?
A.
People with high-I. Q. will not look down upon those with low-I. Q.
B.
People with low-I. Q. will not look down upon those with high-I. Q.
C.
People of different I. Q. group, either high or low, will scorn others.
D.
Highbrows will never be looked down upon.
查看完整题目与答案
【单选题】听力原文：Q: What can we infer from the conversation? (11)
A.
Someone broke into the woman's house and stole some jewels.
B.
She knew how the burglars broke into her house.
C.
She didn't know what were stolen.
D.
Policemen would arrive next day.
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【单选题】压力升高时，单组分体系的沸点：
A.
升高
B.
降低
C.
不变
D.
不一定变化
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【单选题】我们党团结带领中国人民进行28年浴血奋战,打败日本帝国主义,推翻国民党反动统治,完成(),建立了中华人民共和国。
A.
新民主主义革命
B.
民主革命
C.
旧民主主义革命
D.
辛亥革命
查看完整题目与答案
【单选题】听力原文：W: You don't look smart this morning. I can see you're not happy. Come on, what happened? M: I had never expected this would have happened to me. We had a power failure at home last night and I m...
A.
The man is a football fan.
B.
The man needs the woman's help.
C.
The man didn't watch TV last night.
D.
The man often has power failure at home.
查看完整题目与答案
【单选题】On the other hand, their rarity clearly makes them popular on social media sites. Deep-sea species may potentially become illegally obtained specimens or food. Humans may end up eating these animals o...
A.
Confirming their identity is very urgent for protection.
B.
Most of them are becoming illegally obtained specimens.
C.
Adorable ones are more likely to be posted on social media sites.
D.
。。。
查看完整题目与答案
相关题目：
【单选题】One afternoon, in Paris, I took a trip to an art museum. I was looking forward to a quiet view of some great paintings of excellent artists. A young couple looking at the paintings in front of me were...
A.
The writer was a person with few words.
B.
The writer was waiting for some artists.
C.
The writer was looking for some great paintings.
D.
The writer wanted to enjoy great paintings quietly.
查看完整题目与答案
【单选题】听力原文：W: You don't look smart this morning. I can see you're not happy. Come on, what happened? M: I had never expected this would have happened to me. We had a power failure at home last night and I m...
A.
The man is a football fan.
B.
The man needs the woman's help.
C.
The man didn't watch TV last night.
D.
The man often has power failure at home.
查看完整题目与答案
【多选题】习近平总书记在七一讲话中指出,我们党团结带领中国人民进行28年浴血奋战,打败日本帝国主义,推翻国民党反动统治,完成新民主主义革命,建立了中华人民共和国。这一伟大历史贡献的意义在于
A.
彻底结束了旧中国半殖民地半封建社会的历史
B.
彻底结束了旧中国一盘散沙的局面
C.
彻底废除了列强强加给中国的不平等条约和帝国主义在中国的一切特权
D.
实现了中国从几千年封建专制政治向人民民主的伟大飞跃
查看完整题目与答案
【简答题】下表是元素周期表的一部分。表中所列的字母分别代表某一种化学元素。 (1)Y分别与D、E形成的化合物中熔点较高是_____________ （用具体物质的化学式表示）。 (2) LY 4 分子的电子式是_______________。 (3)由J、L、R三种元素形成的某种配位化合物，常温下该化合物具有挥发性，化学式为J(LR) 4 ，其中J的化合价是0价。J(LR)4固态时属于____（填晶体类型）...
查看完整题目与答案
【单选题】What can we infer from Paragraph 2?
A.
People with high-I. Q. will not look down upon those with low-I. Q.
B.
People with low-I. Q. will not look down upon those with high-I. Q.
C.
People of different I. Q. group, either high or low, will scorn others.
D.
Highbrows will never be looked down upon.
查看完整题目与答案
【单选题】听力原文：Q: What can we infer from the conversation? (11)
A.
Someone broke into the woman's house and stole some jewels.
B.
She knew how the burglars broke into her house.
C.
She didn't know what were stolen.
D.
Policemen would arrive next day.
查看完整题目与答案
【单选题】压力升高时，单组分体系的沸点：
A.
升高
B.
降低
C.
不变
D.
不一定变化
查看完整题目与答案
【单选题】我们党团结带领中国人民进行28年浴血奋战,打败日本帝国主义,推翻国民党反动统治,完成(),建立了中华人民共和国。
A.
新民主主义革命
B.
民主革命
C.
旧民主主义革命
D.
辛亥革命
查看完整题目与答案
【单选题】听力原文：W: You don't look smart this morning. I can see you're not happy. Come on, what happened? M: I had never expected this would have happened to me. We had a power failure at home last night and I m...
A.
The man is a football fan.
B.
The man needs the woman's help.
C.
The man didn't watch TV last night.
D.
The man often has power failure at home.
查看完整题目与答案
【单选题】On the other hand, their rarity clearly makes them popular on social media sites. Deep-sea species may potentially become illegally obtained specimens or food. Humans may end up eating these animals o...
A.
Confirming their identity is very urgent for protection.
B.
Most of them are becoming illegally obtained specimens.
C.
Adorable ones are more likely to be posted on social media sites.
D.
。。。
查看完整题目与答案