四六级考试

【单选题】Passage 3
Questions 33 to 35 are based on the passage you have just hearD、 A．They built a much lighter rocket.
B．They built a much faster rocket.
C．They loaded the rocket with enough fuel.
D．They built a multistage rocket.

网考网参考答案：D
网考网解析：
[听力原文] How could the scientists made the trip to the Moon a success [分析] 在制造火箭推进器的过程中，科学家们意识到it would be difficult for one heavy rocket loaded with fuel to reach the moon，所以他们决定使用multistage rocket(多级火箭)。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>