四六级考试

【单选题】
A、How to observe and appreciate the worlD、
B．How to make something to ease miner’’s work.
C．How to become an "above average" miner.
D．How to teach himself to become a great man.

网考网参考答案：A
网考网解析：
What did Feynman’s father teach him when he was young document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>