A、Used to attract animals to pollinate the plant and to disperse its seeds
B、Protecting the plant from herbivores such as insects
C、Used to derive medicine
D、All of the above
第2题
A、They defend you from loneliness and boredom.
B、They call you up and listen to your complaints.
C、They celebrate your successes and curse your misfortunes.
D、They expect to repay them back with the same warmth.
第3题
A、Wang (inspection)
B、wen (listening and smelling)
C、wen (inquiry)
D、qie (taking pulse and palpation)
第8题
A、Prepared by sol-gel synthesis
B、Prepared by CVD method
C、Prepared by pyrolysis of a polymeric precursor
D、Prepared by self-assembly
为了保护您的账号安全,请在“上学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!