1. It has now become one of the most polluted rivers in the world because of
decades of heavy industrialization.
2. Lack of exercise and overeating will lead to illness.
3. The man turned the thief over to the police.
4. An initial investigative report said the crash of the helicopter was probably
caused by poor mountain weather that led to low visibility.
5. The tycoon set forth his philosophy of management in his autobiography.
6. If everything goes smoothly, I will be able to move in next week.
= If everything goes as planned,
7. It seems reading detective novels has set in.
8. The dove cone on the flag embodies the spirit of peace.
9. The country's per capita CO2 emissions are three times higher than that of the
10. This program offers a timely and in-depth presentation about one of the today's most pressing issues.