What could a chair say to deal with the situation when participants are straying from the point? The

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What could a chair say to deal with the situation when participants are straying from the point? There are two proper expressions listed in the choices. Choose all of the correct answers.

A.Since this is an especially important problem, let us concerntrate a bit and discuss it more deeply.

B.We sincerely hope that all present here will feel free to express your ideas and exchange various opinions.

C.Mr. Smith, I’m afraid we can’t hear you. Would you please speak louder or make use of one of the microphones in the center of the lecture hall?

D.So far we have discussed the following three points: one…; two …; and three …. Can we concentrate on these three points?

参考答案:

答案:Since this is an especially important problem, let us concerntrate a bit and discuss it more deeply.;So far we have discussed the following three points: one…; two …; and three …. Can we concentrate on these three points?