单项选择题A．robust investmentB．rapid export increaseC．the yuan’s peg of 8.28 to the dollarD．falling oil demand and lower steel and property prices

填空题在instead和on之间加入of。

单项选择题A．a spokesman of US Defense DepartmentB．Afghan interim governmentC．Amnesty International in LondonD．two released Afghan prisoners

单项选择题A．8%B．9%C．9.3%D．9.5%

单项选择题A．because 98 % abortions were carried out before 20 weeksB．because pregnancy can be diagnosed earlier than beforeC．because survival rates among premature babies have improvedD．because the fetal abnormalities can be diagnosed earlier than be fore