“冰娘子”探险队准备开始她们出发前的最后一次训练 - 横穿位于挪威的一片结冰的湖泊。今年九月，这批战士们将踏上一段历史性的征途，她们希望能顺利走完全程并借此经历激励一代女性。在接下来的数周以及远征的80天内，她们会住在一顶充当卧室、起居室以及厨房的小帐篷里。

词汇 engineered

（经过）制造的

heading out

动身出发

练习 请从以下词汇中选择适当的答案来完成句子。注意：你可能需要改变单词的时态来完成句子。

engineered / heading out

1. It's a cloudy start across London, but if you're ________ tonight it might be wise to take an umbrella.

2. A new experimental crop of genetically modified wheat has been ________ to use sunlight more efficiently and has boosted greenhouse yields by up to 40%.

答案 1. It's a cloudy start across London, but if you're heading out tonight it might be wise to take an umbrella.

2. A new experimental crop of genetically modified wheat has been engineered to use sunlight more efficiently and has boosted greenhouse yields by up to 40%.

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