单项选择题
Questions 10 to 13 are based on the conversation you have just heard.
A．Trim the apple trees in her yard. B．Pick up the apples that fell in her yard. C．Take the garbage to the curb for her. D．Remove the branches from her yard.
A.affiliated B.attached C.contact D.contend E.continuous F.diminish G.endurance H.foster I.hazardous J.improved K.instantaneous L.intrinsic M.relatively N.shift O.similarly
A．The crop’s blooming period is delayed. B．The roots of crops are cut off. C．The topsoil is seriously damaged. D．The growth of weeds is accelerated.