单词辨音。（从A、B、C、D四个选项中选出划线部分发音不一致的单词，共5小题，每小题1分，计5分。）
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Now children, turn to Page _____ and look at the _____ picture in Unit 1.
| A．Twentieth, one | B．Twenty, one | C．Twentieth, first | D．Twenty, first |
She often goes to work __________ .
| A．by a underground | B．by underground | C．by the underground | D．take the underground |
There __________ a sports meeting in our school next week.
| A．won't have | B．isn't going to | C．won't be | D．isn't going to have |
—Bob, can you read the number 2, 307,018?
—Yes, I can. It’s ________.
| A．two million, three hundred and seven thousand, and eighteen |
| B．two million, and three hundred and seven thousand, and eighteen |
| C．two millions, three hundred and seven thousands, and eighteen |
| D．two millions, three hundred and seven thousands, eighteen |
This is ____ my pen. I’m writing with ___ pen.
| A．the , / | B．/, the | C．a, an | D．/, / |