解析：He is ______ about his chances of w_考试试题_口译笔译

【单选题】He is ______ about his chances of winning a gold medal in the Olympics next year.
A、optimistic
B、optional
C、outstanding
D、obvious

网考网参考答案：A
网考网解析：
[解析] 四选项的意思分别是：A．“乐观的，乐观主义的”；B．“可任意选择的，非强制的”；C．“杰出的，优秀的”；D．“明显的”。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>