【单选题】听力原文: UN Secretary General Kofi Annan has urged NATO to keep its promise and send more troops to Afghanistan to ensure the country's general elections can take place as planned. Mr. Annan made the app...
A.
To send more troops to Afghanistan.
B.
To ensure peace and order in Afghanistan.
C.
Not to intervene in Afghanistan's general elections.
【简答题】阅读理解。 The motor vehicle has killed and disabled more people in its brief history than any bomb or weapon ever invented.Much of the blood on the street flows mainly from uncivil behavior of drivers who...
【判断题】In general, synthetic biology will rely more on analogies to the theory and practice of other engineering disciplines, and will instead continue to build its own identity and culture.
【单选题】化学在生活中有着广泛的应用,下列对应关系错误的是 ( ) 选项 性质 实际应用 A SO 2 具有漂白性 [来源:学, SO 2 可用于食品增白 B SiO 2 熔点高 SiO 2 可用于制作耐高温仪器 C Al(OH) 3 具有弱碱性 Al(OH) 3 可用于制胃酸中和剂 D Fe 3+ 具有氧化性 FeCl 3 溶液可用于回收废旧电路板中的铜