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【单选题】
非污染生态影响的项目进行工程分析时,运行期工程对生态影响的途径分析,主要包括工程运行改变了区域空间格局、土地和水体的利用状况,以及由此而影响了( )。
A.
生物群落
B.
生态系统
C.
景观
D.
自然资源状况
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参考答案:
举一反三
【单选题】GSM900收发频率间隔为()
A.
25MHz
B.
35MHz
C.
45MHz
D.
75MHz
【单选题】单相桥式整流电容滤波电路中,当一只二极管开路,输出电压将( )。
A.
略有上升
B.
下降一半
C.
上升一半
D.
明显下降,不足一半
【判断题】受控电源与独立电源同为二端元件。
A.
正确
B.
错误
【判断题】稀土资源储量最大的国家是中国。()
A.
正确
B.
错误
【单选题】Which of the following is NOT true according to the passage?
A.
Some people regret their choices of love partners.
B.
In some partnership or relationship, he or she tries to control the other.
C.
Through psychological adjustment and therapy, one will feel satisfied with love.
D.
Partnership is a school from which it is not easy for us to graduate.
【简答题】插电式混合动力汽车与一般混合动力汽车有哪些差异?
【单选题】Which of the following is NOT true according to the passage?
A.
Some people regret their choices of love partners.
B.
In some partnership or relationship, be or she tries to control the other
C.
Through psychological adjustment and therapy, one will feel satisfied with love.
D.
Partnership is a school from which it is not easy for us to graduate.
【多选题】混合动力汽车有()
A.
油电混合动力汽车
B.
气电混合动力汽车
C.
油气混合动力汽车
【简答题】任务型阅读。 Should kids do chores? People find that children as young as 18 months can help with chores When parents say to those children, 'Just look at the paper,' they will pick it up. Some parents thin...
【单选题】单相桥式整流电容滤波电路中,若整流桥中一只二极管极性接反,则:
A.
电源被短路
B.
负载得到脉动全波电压
C.
电路相当于单相半波整流电路
D.
输出电压等于
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