涉外经济法的调整对象是在对外经济贸易和科学技术交流活动中所产生的______
我国在对外贸易经营者资格方面实行的原则是______
下列关于涉外民事诉讼中对在我国领域内没有住所的当事人送达诉讼文书，其说法正确的是______
The old man lives in a village_______, but he never feels________.
If a substance is dissolved in water or heated ， it may （）a gas.
Yesterday was such a ____ day we decided to go for a drive.
This missile is designed so that once _____ nothing can be done to retrieve it.
The best title for the passage would be ________.
At ______, photography is a chemical process, during which a light-sensitive material is altered when exposed to light.
My coat__________ there behind the door. Can ’t you see it?
She was once a young country wife with chickens in the backyard and a view of _______mountains behind the apple orchard.
Under this（）pressure some of the rocks even became liquid.
The radio is________ a strange signal. What’s wrong with it?