We all know that Bell the telephone. It

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问题选择题

We all know that Bell the telephone. It's very useful today. [ ]

A. invented

B. discovered

C. found out

D. found

答案

答案：A

单项选择题 A型题

关于胸腺瘤下列叙述正确的是（）

A.外科手术是胸腺瘤治疗的首选方法，要尽可能完整切除或尽可能切除肿瘤

B.对浸润型胸腺瘤术后一律给予术后放疗

C.Ⅰ期胸腺瘤不需要常规术后放疗

D.对晚期胸腺瘤（Ⅲ、Ⅳ期），应积极给予放疗或化疗，仍有获得长期生存的可能

E.以上都正确

选择题

Some pictures of the river brought the days back to the day______ they swam in it.

A．when

B．that

C．who

D．where