1 . 要保持开放的心态，尽可能多地参与。
Just keep an ________ ________ and take part in as much as possible.

2 . _____ (视觉信息)，such as photos and illustrations, can support reading and help you identify the theme and content of a text. (根据汉语提示完成句子)

3 . ___________(坐落于) Guangxi province, the Longji Rice Terraces attract thousands of visitors to come to admire its great wonder. (根据汉语提示完成句子)

4 . During the war Frank used to make _______ _________ （零配件)for aeroplanes. （根据汉语意思填空）