4 . One of the h________(the best, most interesting or most exciting part of sth) of our trip to Tibet was seeing the graceful Tibetan antelopes. （根据首字母单词拼写）

5 . In an effort to ________ more scientists from underrepresented backgrounds, this science academy would like to conduct a survey and invite the public to select an outstanding scientist each month.

A．filter

B．highlight

C．oversee

D．impact

6 . Global warming could pat coastal cities under water and drive over half of all species to ___________.

A．exist

B．extinction

C．flight

D．highlight

7 . Directions: Complete the sentences with the words or phrases in the box. Each word or phrase can only be used once. There is one extra that you do not need.

A. commonplace       B. conservation        C. bombard        D. highlight E. accuracy             F. calculate               G. stretch          H. soak          I. vary

1. We devote our resources and our skills to presenting the fullest version of the truth we can deliver, and place high value on the________of the gathered information.
2. In the exhibition, artists created various artistic objects to________the capital city's problems, including pollution, poverty, lack of health care and overconsumption.
3. In the summer, fields of grassy frozen ground________from snow-capped mountain ranges to the stony shoreline, but in the winter the sun disappears.
4. The study is a reminder that________isn’t just about protecting a few species, but the relationships they have which branch through an entire ecosystem.
5. Clinical professors are trying to find out how anti-depressants (抗抑郁药), which become more ________ in society, affect mental health.
6. Scientists have come up with a new formula to________a dog’s age in human years, and it is much more complicated than multiplying its real age by seven.
7. At the press conference, journalists________the spokesman with various questions regarding the latest incident.
8. A wave of mass shootings has plagued the U.S. in recent weeks, drawing attention to how gun laws________ from state to state.

8 . A week-long celebration leads up to an exciting tomato battle as the ________ of the week’s events.

A．antique

B．duration

C．highlight

D．scenery

10 . With everyone ______, the head teacher began the meeting, ______ the importance of self-discipline for senior high students.

A．sitting, highlighted	B．seated, highlighting
C．seated, highlighted	D．sat down, highlighting