1 . Setting aside your devices and clearing your mind of your own thought are good first steps. By ______ those, it’s easier to give your complete attention to the speaker.

A．eliminating

B．clarifying

C．responding

D．emerging

2 . Fencing has a rich history that can be traced back thousands of years. It was originally a martial art and a means of ______ in dangerous situations in Egypt and Greece.

A．honor

B．strategy

C．self-defense

D．representation

3 . By combining emojis together, users can express a more ______ range of emotions.

A．diverse

B．delightful

C．essential

D．playful

4 . JAL’S program is meant to cut down on airplane weight because there won’t be so much luggage. That means a ______ in carbon emissions as well.

A．corporation

B．priority

C．concentration

D．reduction

5 . It is challenging to ______ between colds and allergies because allergies often mirror the symptoms of colds. In fact, many cold and allergy symptoms are the same.

A．expose

B．distinguish

C．contrast

D．uncover

6 . Lila was often perceived as a shrinking violet in the community. She was shy and ______, always standing on the sidelines at social gatherings.

A．competitive

B．confident

C．vacant

D．modest

7 . Emojis ______ between text and expression, offering an engaging way to convey emotions.

A．hop on

B．bridge the gap

C．follow suit

D．blow mind

8 . 根据下列单词的重读音节，选出与其他三个发音不同的一个。

A．concentrate

B．concern

C．confirm

D．communicate

9 . Since 18^th January, 2018, some airlines in China __________ mobile phone use on their aircrafts.

A．allow

B．allowed

C．have allowed

D．had allowed

10 . Mike hasn’t appeared for two weeks, __________ his friends are wondering what has happened to him.

A．so

B．but

C．or

D．for