meaning 意义 ;C . expression 表达; D.usage用法;根据空格前后的句子可知,作 者终于理解了"hard work"的新含义,自己的潜能 被发挥到极致.故答案为B. (17)A.考查名词及语境理解.A .boundaries 边界;B.problems问题;C.barriers 物;D.efforts努力;这里的句子是说作者每天 都有高能量的训练和演出,...
/III/ wherein R, R1 and A have the same meaning as stated above and Z means a halogen atom or a H2N-O- group or a salt thereof in the presence of a basic condensing agent. The new compounds of the general formula /I/ possess valuable nicotine-lethality inhibiting, local anaesthetic,...
/III/ wherein R, R1 and A have the same meaning as stated above and Z means a halogen atom or a H2N-O- group or a salt thereof in the presence of a basic condensing agent. The new compounds of the general formula /I/ possess valuable nicotine-lethality inhibiting, local anaesthetic,...