1 . Unlike other activities, China’s first space lesson is even more ________ and more easily enjoyed by the students and teachers with enthusiasm of exploring the unknown fields.

A．unconscious

B．accessible

C．energetic

D．abstract

2 . How to explain this knowledge in a(n) ________ way is a challenge for university professors.

A．massive

B．mature

C．accessible

D．urgent

4 . He regularly donates ______ sums of money to local charities.

A．influential

B．accessible

C．varied

D．substantial

5 . The author of Silent Spring made a crucial but potentially difficult-to-understand subject interesting and ________ to millions of people.

A．ambitious

B．accessible

C．attainable

D．available

8 . 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 . 从方框中选择意思合适的词，并用其正确形式或包含这个单词的短语完成句子。

prefer             tend             humble       object             deadline        qualification access             apply            clarify       adaptation        intention        wander

1. After China’s implementing the Belt and Road Initiative, there is a great need for ______ teachers of Business English.
2. A journalist’s job is to inform people ______ about events, without any personal feelings.
3. There were over 1000 ______ for the job, so the competition must have been fierce.
4. The film, ______ the famous writer’s novel, enjoyed great success as soon as it hit the screen.
5. The remote desert area ______ only by helicopter, which makes the rescue work more difficult.
6. The boy have a ______ to talk too much when he has butterflies in his stomach.
7. It was midnight, but when I left work from my office, I still found some people ______ aimlessly on the streets.
8. Although the first proposal sounded more practical, many people expressed a strong ______ for the original one.
9. It was stupid of you not to understand the issue, because it ______ before.
10. He is working under great pressure ______ for handing in the report, or he will be fired.

10 . One of the important jobs for a teacher is to study the learning material and make it more ______ to his students.

A．convincing

B．accessible

C．emotional

D．humble