问题：
[单选题] 请在第____处填上正确答案。
A He says there is emerging evidence that children absorb low—level radiation at a rate more than three times that of adults．B By the year 20004 it...问题：
[单选题] The committee was asked to render a report on the housing situation.
A copyB publishC furnishD summarize问题：
[单选题] Recent studies have posed the question as to whether there is a link between film violence and real
A supposedB poisedC arousedD raised问题：
[单选题] Sulfur has occasionally been found in the earth in an almost pure state.
A regularlyB accidentallyC sometimesD successfully问题：
[单选题] We packed up the things wehad accumulated (积累) over the last three years and left.
A lateB recentC pastD final问题：
[单选题] Promising Results from Cancer Study A new experimental vaccine(疫苗)has shown promising results in th
A RightB WrongC Not mentioned问题：
[单选题] The Klondike was the scene of one of the biggest gold rushes the world has ever known．
A locationB viewC evenD landscape问题：
[单选题] Yuthachai，the inventor of biodiesel，is currently the general manager of a US Thailand ioint ventur
A RightB WrongC Not mentioned问题：
