根据下列各句中的汉语提示，用其适当形式填空。

1．I’m going from New York to California ______（经由）the Panama Canal.

2．My camera can be _______（调整）to take pictures in cloudy and sunny conditions.

3．Both men were _____（困在）inside the burning car in the traffic accident yesterday evening.

4．In order to _______（平衡）the foreign trade, China begins to import more goods from the US.

5．The warm weather today is ______（反常）for February.

6．Potatoes turn green when ______（暴露）to light.

7．We took a photo of a rocket, the _____（长度）of which was about 20 meters.

8．He fell asleep on the beach on a hot summer day and got _______（晒伤）.

9．It is cold today. The temperature is ______（零下）10ºC．

10．Scientists suggest that humans should try to keep in ______（融洽；和谐）with nature while they develop the world.