下载APP
举一反三
【多选题】（）属破坏绿化和绿化设施的行为。
A.
擅自折损树（林）木花草
B.
在树旁和绿（林）地内倾倒垃圾或者有害废渣废水、堆放杂物
C.
引起树（林）木损坏的焚烧行为
D.
在绿（林）地内乱设广告
E.
其他损坏绿化或者绿化设施的行为
【单选题】When George W Bush delivered his State of the Union Address this past January, three words appeared that had not previously been heard from the Oval Office: Switchgrass, stalks and woodchips. Bush’’s ...
A.
George W. Bush
B.
Tom Slunecka
C.
James Woolsey
D.
David Bransby
【单选题】常温时，以下4种溶液pH最小的是
A.
0.02mol.L-1乙酸溶液与0.02mol.L-1KOH溶液等体积混合后所得的溶液
B.
PH=2的乙酸与PH=12的KOH等体积混合后所得的溶液
C.
PH=2的硫酸与PH=12的氨水等体积混合后所得的溶液
D.
PH=2的硫酸与0.01mol.L-1的
溶液等体积混合后所得的溶液
溶液等体积混合后所得的溶液