作用机理为触杀的杀虫剂有：（）、（）。
参考答案：拟除虫菊酯；矿油乳剂
Nearly all the streets are in straight lines, _____ from east to west. Those _____ run from north to south are
called avenues. [ ]
A. running; that
B. run; who
C. running; who
D. run; that
关于SPECT亲梗死灶显像可检测的最小坏死心肌质量，下列正确的是（）
A.0.5g
B.1g
C.1.5g
D.2g
E.2.5g
