My neighbors used to give me a hand in time of trouble, _______ was very kind of them.
A. it B. who C. that D. which
— Jimmy had a lot of parties recently.
— Yes, that might why he didn’t do well on the test.
A. come up with B. bring about C. account for D. make sense of
The selfless village doctor treated whoever came to his family without any .
A. charge B. money C. cost D. price
____ the crisis of economy getting more and more serious, the government is searching for ways to improve people’s life.
A. As B. With C. While D. If
李华是高二的学生， 写信问你如何把握高三这最关键的一年。请你结合自己的经历，从时间安排、饮食、睡眠、锻炼等方面，回一封100-120词的信。
In 1972, the United Nations hold a meeting in Sweden 1._________
to share ideas about ways to take better care of for the 2.__________
earth．At the summit, people from more than one hundreds 3.__________
countries discussed some of the important problems faced 4.__________
our planet．Since then, several Earth Summits had been held. 5.__________
In 2002, the Earth Summit was held in Johannesburg. 6._________
One of the main theme was “sustainable development”, or 7.__________
the question what we can continue developing the world 8.__________
without damage the environment．Most of the speakers 9.__________
talked the three biggest killers in the world. 10.__________
