一码头区建设项目,在进行生态影响评价时,评价范围向周际外延( )km。
A.1~3
B.3~5
C.5~7
D.7~9
参考答案:B
You can never imagine the difficulty I have _____ your house.[ ]
A. find
B. to find
C. finding
D. found
下列元素名称与其对应的元素符号完全正确的是[ ]
A.氯cl
B.氖Na
C.镁Mg
D.铜Ca