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【多选题】
我国土地资源在开发利用中存在的主要问题是()。
A.
土地质量退化
B.
土地浪费严重
C.
围湖造田
D.
退耕还木
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参考答案:
举一反三
【单选题】The old lady has developed a ______ cough which cannot be cured completely in a short time.
A.
perpetual
B.
permanent
C.
chronic
D.
sustained
【单选题】以下为金蝶k3系统默认管理员帐号为
A.
admin
B.
administrators
C.
administrator
D.
user
【单选题】关于急性毒性实验中动物选择的原则说法错误的是( )
A.
雌雄各半
B.
通常选择刚断乳动物
C.
常用哺乳类动物
D.
一般要求选择两个不同种属
E.
每组实验动物的数量因求LD 50 方法不同而不同
【单选题】The old lady has ______________ two wars and revolutions.
A.
lived on
B.
lived through
C.
lived up
D.
lived with
【单选题】Look! Here _______. [     ]
A.
the old lady comes
B.
comes the old lady
C.
come the old lady
D.
comes she
【单选题】实验室检测方法选择的原则是( )。
A.
技术要求高、快速、大量处理
B.
费用低、微量、操作安全
C.
快速、微量、技术要求高、操作安全
D.
从实际工作需要出发,快速、微量、技术要求不高
【单选题】What a lovely present the old lady has received for her ______ birthday!
A.
eighteen
B.
eighty
C.
eighteenth
D.
eightieth
【简答题】大多数克氏综合征患者的核型为 ( ) 。
【简答题】The old lady has _____ two wars and revolutions. A) lived on B) lived through C) lived up D) lived with
【简答题】The old lady has developed a ________ cough which cannot be cured completely in a short time. A) perpetual B) permanent C) chronic D) sustained
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