解答 答案：D 根據(jù)題干There is _______"s"and _______"u"in the word"use"結(jié)合語境可知此句意為：在"use"一詞中有一個"S"和一個"U"，都表泛指，應(yīng)用不定冠詞a或an；根據(jù)s的首音素為/e/是元音音素，故用an；根據(jù)u的首音素為/ju/是輔音音素，故用a．綜上所述，故選D
18．聽第六段材料，回答第21至第25小題 21．Who gave Tom one dollar at first？ A．His mother． B．His father． C．The old man． 22．What happened when Tom went to buy a toy？ A．James was hit badly by snowballs． B．Tom met an old man and helped him． C．Tom broke a window of the house． 23．Why did Tom go back to the house？ A．To play snowballs again B．To get his toy back C．To pay for the window 24．How much money did Tom get at last？ A．Two dollars． B．One dollar． C．Nothing． 25．What does the story want to tell us？ A．Working hard is very important． B．Helping others is to help ourselves． C．Being honest can bring us more．
