Astronauts travel in a ________ to get to the moon.

宇航员乘坐宇宙飞船前往月球。

Astronomers use _________ to study the stars.

天文学家使用望远镜来研究星星。

There are 3 types of _______: solid, liquid and gas.

物质有三种类型：固体、液体和气体。

Ants are ______ animals.

蚂蚁是小小的动物。

A _______ object will sink.

一个密度大的物体会下沉。

This spoon is made of _______ gold.

这个勺子是由实心黄金制成的。

Dust is made up of tiny _______ floating in the air.

灰尘由空气中漂浮的微小颗粒组成。

Spiderman took off his mask and _______ his identity.

蜘蛛侠摘下面具，揭露了他的身份。

A drone is an ________ aircraft.
无人机是一种无人驾驶飞行器。

A table that can ________ makes it easy to share the food.

一个旋转的餐桌使得分享食物非常容易。

A watch is made up of many ________ parts.

手表由许多复杂的零件组成。

How much do you _______?

你的体重是多少？

Who will be the first _______ to live on Mars?

谁将成为首批在火星上居住的先驱者？

Zeng He is a famous Chinese _______. He sailed far West during the Ming Dynasty.
曾国藩是一位著名的中国航海家。他在明朝时期远航至西方。

Read the _____ of the contract before you sign it.

在签署合同之前，请阅读合同的详细内容。