四六级考试

【单选题】
A、He thought other science courses would be harder.
B．It’’s a required class for all students.
C．He’’s studied geology before.
D．It was the only science course open to him.

网考网参考答案：A
网考网解析：
W: I didn’t know you were interested in geology, Sam. M: Well, it’s a requirement to take at least one science course, and geology seemed like the easiest one. Q: Why is Sam taking the geology course document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>