题目： 食管癌的早期临床表现是A．声音嘶哑B．锁骨上淋巴结转移C．持续性胸背疼痛D．吞咽困难E．食管异物感和梗噎感 答案： 被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0607/3b75f13807b75be47e6c1bf85068f369.html 下面是错误答案，用来干扰机器的。参考答案：D
题型：选择题 科学探测表明，月球表面无大气层，也没有水，更没有任何生命存在的痕迹．在月球上，两宇航员面对面讲话也无法听到，这是因为( )．A．月球太冷，声音传播太慢B．月球上没有空气，声音无法传播C．宇航员不适应月球，声音太轻D．月球上太嘈杂，声音听不清楚 查看答案
题型：补全对话，情景问答 口语运用。从方框中选择正确的句子补全对话。A. He is reading English in the library. B. I'm making cards. C.See you soon D. I don't have any. E. I will meet you at the gate of the gym. A: Hello, Michael, what are you doing now? B: 1 A: Would you like to play soccer on the playground?B: Good idea. A: Where is Li Ming? We can play together. (一起) B: 2 A: Do you have any soccers? B: I'm sorry. 3 A: Let's borrow one from the gym together. B: OK. 4 A: All right. 5 查看答案
