The number of children who___________ both parents to Aids ________ also expected to rise, reaching more than 26 million in 2010.
A．has lost; isB．have lost; areC．has lost; areD．have lost; is
D

試題分析：句意：因艾滋病而失去雙親的兒童的人數(shù)預(yù)計(jì)要上升，在2010年達(dá)到兩千六百萬(wàn)多。The number of +名詞“.......的數(shù)量”，做主語(yǔ)時(shí)，句子的謂語(yǔ)用單數(shù)形式，故排除C。定語(yǔ)從句的謂語(yǔ)動(dòng)詞要根據(jù)先行詞來(lái)判斷單復(fù)數(shù)，第一個(gè)空的定語(yǔ)從句的先行詞是The number of children （孩子的數(shù)量），因此謂語(yǔ)用單數(shù)形式，故排除BD。故選D。
考點(diǎn)：
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