拟除虫菊酯类杀虫剂的作用机制是抑制昆虫体内()
A、胆碱酯酶
B、线粒体
C、轴突
D、三羧酸循环
参考答案:C
连词成句 (5分)
小题1:often, and, about, a, says, she, smiles, never, bad, anyone, word.
小题2:faster,books,seems,go,we,when,interesting,are,time,reading,to.
小题3:trying,you,can,will,things,keep,and,better,you,remember,find.
小题4:little,with,that,did,boy,the,earth,hole,fill?
小题5:cheered, the, as, slowly, he, President, the, drove, crowd, by.
制图题:画出母线、线路接有电抗器的接线图。