1 . A sleep study published in the journal Sleep Health suggests that those who walk ________ more will experience better quality and duration of sleep.

A．approximately

B．unbelievably

C．slightly

D．weightlessly

2 . I’m________ worried that she’ll get lost on the way.
我有点担心她会迷路。

4 . 根据句意，用所给单词或者词组的适当形式填空。

goal     defeat     adapt to     slightly     sign up tradition     make an effort     relieve     various

1. Jogging is a great way to help________ our tension and stress.
2. Thanks to the Internet, it’s easy to shop for________ things like books, snacks and clothes online nowadays.
3. It is a widespread Spanish________ to eat grapes on New Year’s Day to bring good luck in the coming year.
4. The world is changing fast, and we have to learn to________ the changes so as not to be left behind.
5. His body will become healthier and stronger as long as he________ to work out regularly.
6. A go-getter is a person who likes to set________ for himself and does his best to achieve them.
7. Please remember that the difficulty isn’t meant to ________ you; it’s meant to make you better.
8. Our school offers different kinds of classes, and we can________ for the ones that interest us.
9. In English learning, every student has his own methods and learns in a________ different way.

5 . Wetlands in China have expanded________ over the past five years, growing by 202,600 hectares and making a significant contribution to water quality and environmental protection.

A．slightly

B．permanently

C．steadily

D．instantly