设a=2，b=3，c=4，d=5，下列表达式的值是（ ）。 3>2*b Or a=c And bc Or ba+c

A sound which is capable of distinguishing one word or one shape of a word from another in a language is a__________．

In speaking activities, a speaker often tries to avoid using a difficult word or structure and chooses to use a simpler one. What learning strategy does the speaker use?

In speaking activities,a speaker often tries to avoid using a difficult word or structure and chooses to use a simpler one. What learning strategy does the speaker use?

—Do you learn Russian or French?—I learn _____.

—Do you learn Russian or French?—I learn ______.

When it hears the trigger word, it plays it back. “trigger word” here means a word that initiates a process or course of action.

（）are web sites that search the web for occurrences of a specified word or phrase.

are web sites that search the web for occurrences of a specified word or phrasE.

M: I’m afraid I only speak English, and a little school French, ‘O’ level French—um…. I only really speak, speak English.　　W: I’ve got a Spanish father and as a boy I learnt______. I also can speak French quite well and Italian, and I’ m not bad at German either.

Verbal presentation of new words means that the meaning of a second language word is demonstrated through concrete objects, visual aids, or through mime and acting.（）

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.