Ⅰ. 单句填空
1. Bear in mind that smiling is apparently a （universe） sign of friendliness and approval.
2. It is （crucial） important that we are ready for this time.
3. When he （orbit） in the capsule, he took photographs of our planet.
4. The （astronomy） is delighted that China has made great achievements in the field of astronomy.
5. The television program is designed to educate and not （mere） to entertain.
6. The advantages are plain （see）, so you don't need to hesitate.
7. People's health is the （found） of a civilization's progress and an important indicator of a nation's prosperity.
8. We like red, because red stands for happiness and good fortune in our culture.
9. amazed me was that he arranged for a car to pick me up at the airport.
10. It is suggested that this experiment （do） at low temperature.
