1 . 众所周知，这个被称为“天眼”的500米口径巨盘用于探寻暗物质。暗物质被认为由亚原子粒子组成，一般望远镜是观测不到的。
The 500­metre dish of the “Eye of Heaven”, as it is known, is being used in the search for dark matter, ________________ subatomic particles invisible to ordinary telescopes.

2 . 她深吸了一口气，使自己镇静下来，尽管她很紧张。（读后续写之情感描写）
She took a deep breath to ________, though she was very nervous.

3 . 出于对金字塔的好奇，每年都有数以千万计的人动身前往参观。
Out of curiosity about the pyramids, tens of millions of people ________________ every year.

4 . 我们一到农场，就开始高兴地摘苹果。
a. The moment we arrived at the farm, we ________________. (set about)
b. On arriving at the farm, we ________________. (set out)

5 . 他们一回到镇上，就震惊地发现他们家附近成了废墟。
On returning to the town, they were shocked to ________________.

7 . 我将带你们参观这座城市，欣赏古老的建筑和深厚的历史，以便中国文化得到更好的理解。(have＋宾语＋宾语补足语)
I’ll show you around the city, admiring the ancient architectures and profound history to ________________ .

8 . Carson决心坚持自己的研究，捍卫自己的主张。
Carson was determined to _____________ her research and defend her claims.

9 . 当时，活着的人不仅要消除南北各州的分歧，更要打破黑人和白人的界限，一步一步地为人类的平等而努力。
Now ________________ not only the divisions between North and South, but the boundaries between black and white, and work step by step towards the equality of humankind.

10 . 无论我们面临多大的困难，我们别无选择，只能团结起来，克服它们。(have no choice but to do)
Whatever tremendous difficulties we are faced with, we will ________________.