5 . Online learning platforms have made education more        to individuals worldwide, regardless of their geographical location.

A．useful

B．relevant

C．accessible

D．affordable

6 . The underlined word can be replaced by ________.
The New York Times used the word “groundbreaking” to praise the new online teaching platform and wrote that “it represents a rarely seen era”.

A．primitive

B．abstract

C．innovative

D．accessible

7 . 根据句意，选择单词或短语并以其适当形式填空。

release     threat     negotiate     assignment     access     objective barrier to     devote oneself to     pay off     stick it out

1. This unique and delicate place is now under ________ from pollution and climate change.
2. Justina’s mother told her to look at the situation ________ and be less emotional.
3. The team was happy because it was ________ to a rather easy group in the Olympics.
4. Not many people are able to ________ their career in their whole life.
5. The beach is easily ________ to visitors who travel by train.
6. The terms of this deal are ________, so it is possible that we can get this item changed.
7. Learning to play a musical instrument can be difficult, but if you ________ you will find success.
8. When an ant finds food, it ________ a chemical to mark the path so that it can find the food later.
9. All the effort of the team ________ when they won the championship.
10. Age should be no ________ living a rewarding life.

9 . The company was very ______ of my efforts.

A．dominate

B．accessible

C．worthwhile

D．appreciative