— Do you mind my taking this seat?
— _______.
A:Yes, sit down please
B:No, of course not
C:Yes, take it please
D:No, you can't take it.
下列词语中加线字注音错误的拼音找出来。
不屑(xiè)制裁(cái) 滑稽(jī)一劳永逸(yù)节奏(zòu)赫赫英名(hè)____
油菜素甾醇对维持顶端优势,促进种子萌发及果实发育有重要作用.据此推测最合理的是( )
如图所示请你在图中标出通电螺线管的N、S极和磁感线方向.