题目

A recent survey, while indicating a generally active attitude to science, also suggests a widespread worry that it may be “running out of control”. This idea is dangerous. Science can be a force for evil as well as for good. Its applications can be channeled either way, depending on our decisions. The decisions we make, personally or collectively, will determine the outcomes of science. But here is a real danger. Science is advancing so fast is so strongly influenced by businesses that we are likely to believe whatever decisions we come to will make little difference. And, rather t口算 (1)240÷6＝　　　(2)17×30＝ (3)630÷3＝　　　(4)35×20＝