老师就哪些问题可能作为试题作了几点提示.Several suggestions for possible examination questions were thrown out by the teacher.这本书的试题是按难易程度顺序排列的.The tests in this book are arranged in order of difficulty.地理试题很难.The geography paper was diffic...
In 1957, the Soviets launched Sputnik 1 into outer space.1957年，苏联人将“斯普特尼克1号”人造卫星送入了外层空间。A public challenge could provoke the Soviets to dig in.公开挑战会促使苏联人一意孤行.The Soviets would more than recover the ground they had lost.苏...