【C2】A．helpB．supportC．aidD．assistance

国际通用的求救信号为。（)A.HELPB.SOSC.LOLD.CQD

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

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A．helpB．saluteC．scrubD．direct

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

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【C4】A．aimB．saveC．aidD．rescue

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

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If you act in______of international agreement, you will be sued（起诉).A．invasionB．supportC

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