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【多选题】
下列对地方性斑疹伤寒的描述正确的是
A.
又称鼠型斑疹伤寒
B.
病原体释放的类似内毒素的毒性物质可引起全身毒血症状
C.
病原体能在普通无细菌的培养基中生长
D.
病原体是莫氏立克次体
E.
鼠蚤为主要传染源
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参考答案：
举一反三
【单选题】_____ by the clear waters, this forest provides visitors with a wonderful chance to see some endangered native birds in the wild.
A.
Being surrounded
B.
Surrounding
C.
Surrounded
D.
To be surrounded
查看完整题目与答案
【多选题】某旅行社在报上刊登广告，写明：“港、澳7日游，价格优惠，报名从速。”从合同法的角度理解，该广告()
A.
属于要约
B.
属于要约邀请
C.
该广告的内容是具体确定的
D.
该广告说明旅行社希望旅游者向其发出要约
E.
该广告是旅行社与旅游者订立合同的预备行为
查看完整题目与答案
【单选题】You will ________ your health if you go on smoking like this.
A.
enrich
B.
enjoy
C.
enable
D.
endange
查看完整题目与答案
【单选题】Reading English novels helps ________ your vocabulary.
A.
enlarge
B.
endange
C.
ensure
D.
entitle
查看完整题目与答案
【简答题】A More than two thirds of the world ’ s polar bears will be wiped out by 2050 , according to a shocking new study.By then , scientists say , global warming will have melted 42 percent of the Arctic se...
查看完整题目与答案
【单选题】The project will help people understand the many threats to the natural environment ________ endangered plants and animals live.
A.
which
B.
when
C.
where
D.
that
查看完整题目与答案
【简答题】LONDON ( Reuters)-- Ecotourism ( 生态旅游) is causing a lot of damage to wildlife and may be enering the survival(生存) of the very animals people are flocking to see, according to researchers. Biologis...
查看完整题目与答案
【简答题】郑某于11月1日在报上刊登广告出售某幅古画，价金70万元。魏某于11月3日致函郑某，表示愿意以50万元的价格购买。郑某于11月6日函复愿降价5万元，但是应于一周内答复，魏某未作任何表示。到11月26日，郑某再致函于魏某，愿以60万元出售。魏某不知郑某之来信，于11月27日致函于郑某，愿意以60万元购买。郑某之信于11月28日上午到达，魏某之信于11月29日下午到达。郑某发信后，获知有人愿意以高价购...
查看完整题目与答案
【单选题】听力原文： During the nineteenth century, when little was known about environmentalism and conservation, it was common to hear people say that the resources of the sea were unlimited. They believed the wor...
A.
They are already extinct on land or in the air.
B.
They are important species for conservation.
C.
They are symbols of different countries.
D.
They are examples of zoo animals.
查看完整题目与答案
【单选题】Sharks are endangered mainly because ______.
A.
Japanese believe that fish cannot be endangered
B.
we don't have effective measures to protect them
C.
Chinese have a desire for their fins in the cooking
D.
sharks don't reproduce fast
查看完整题目与答案
相关题目：
【单选题】_____ by the clear waters, this forest provides visitors with a wonderful chance to see some endangered native birds in the wild.
A.
Being surrounded
B.
Surrounding
C.
Surrounded
D.
To be surrounded
查看完整题目与答案
【多选题】某旅行社在报上刊登广告，写明：“港、澳7日游，价格优惠，报名从速。”从合同法的角度理解，该广告()
A.
属于要约
B.
属于要约邀请
C.
该广告的内容是具体确定的
D.
该广告说明旅行社希望旅游者向其发出要约
E.
该广告是旅行社与旅游者订立合同的预备行为
查看完整题目与答案
【单选题】You will ________ your health if you go on smoking like this.
A.
enrich
B.
enjoy
C.
enable
D.
endange
查看完整题目与答案
【单选题】Reading English novels helps ________ your vocabulary.
A.
enlarge
B.
endange
C.
ensure
D.
entitle
查看完整题目与答案
【简答题】A More than two thirds of the world ’ s polar bears will be wiped out by 2050 , according to a shocking new study.By then , scientists say , global warming will have melted 42 percent of the Arctic se...
查看完整题目与答案
【单选题】The project will help people understand the many threats to the natural environment ________ endangered plants and animals live.
A.
which
B.
when
C.
where
D.
that
查看完整题目与答案
【简答题】LONDON ( Reuters)-- Ecotourism ( 生态旅游) is causing a lot of damage to wildlife and may be enering the survival(生存) of the very animals people are flocking to see, according to researchers. Biologis...
查看完整题目与答案
【简答题】郑某于11月1日在报上刊登广告出售某幅古画，价金70万元。魏某于11月3日致函郑某，表示愿意以50万元的价格购买。郑某于11月6日函复愿降价5万元，但是应于一周内答复，魏某未作任何表示。到11月26日，郑某再致函于魏某，愿以60万元出售。魏某不知郑某之来信，于11月27日致函于郑某，愿意以60万元购买。郑某之信于11月28日上午到达，魏某之信于11月29日下午到达。郑某发信后，获知有人愿意以高价购...
查看完整题目与答案
【单选题】听力原文： During the nineteenth century, when little was known about environmentalism and conservation, it was common to hear people say that the resources of the sea were unlimited. They believed the wor...
A.
They are already extinct on land or in the air.
B.
They are important species for conservation.
C.
They are symbols of different countries.
D.
They are examples of zoo animals.
查看完整题目与答案
【单选题】Sharks are endangered mainly because ______.
A.
Japanese believe that fish cannot be endangered
B.
we don't have effective measures to protect them
C.
Chinese have a desire for their fins in the cooking
D.
sharks don't reproduce fast
查看完整题目与答案
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