本期内容：

There’s a new rocket ship from Elon Musk: Tesla’s stock.
The electric-car manufacturer’s shares closed at $887 on Tuesday, up from $650 two trading days earlier — a gain of 36 percent.
Since the start of the year, the price has more than doubled.

a new rocket ship: 一艘新的火箭飞船
electric adj. 和电有关的
electric-car: 电动汽车
· an electric battery: 电池
· an electric light: 电灯
· electronic adj. 电子的
· electronic music: 电子音乐
· electronic technology: 电子信息技术
closed at: 收盘价在……



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