The temperature in our hometown usually drops zero in winter． （在……以下）
Follow these small ， and you can make a big difference to the Earth．（步骤）
Knowledge is a treasure， but practice is the to it． （钥匙）
当我们处于困境时，我们不应该放弃．
We shouldn't when we are in trouble．
山东潍坊现在因制作风筝而出名．
Weifang in Shandong Province making kites now．