【C2】A．helpB．supportC．aidD．assistance

国际通用的求救信号为。（)A.HELPB.SOSC.LOLD.CQD

The word "encounter" in line 21 is closest in meaning to ______.A．loseB．supportC．meetD．cre

A．helpB．saluteC．scrubD．direct

【C20】A．to helpB．for helpingC．in helpingD．helping

【C4】A．aimB．saveC．aidD．rescue

Thank you very much. Youve done me a great______.A．helpB．aidC．serviceD．assistance