有机磷和氨基甲酸酯类农药中兼治螨类的药剂有哪些？
参考答案：
毒死蜱、马拉硫磷、杀扑磷、乐果、氧乐果、涕灭威、丁硫克百威。
阴邪盛而导致的寒实证，其治疗方法是
A．虚者补之
B．寒者热之
C．热者寒之
D．阴病治阳
E．阳病治阴
____ seems to have been a strong competition in China for school leavers to enter college or university. [ ]
A. It
B. That
C. There
D. Here
