1 . ● The human population has never been bigger, but in some ways the planet seems to be     1         2         3    . In the past, travelers from     4         5         6     spent months at sea. Now you just have to sit on a plane for a few hours. When you arrived in another country a hundred years ago, you saw     7         8         9     of clothing and buildings and discovered a     10         11         12     culture.（Fill in each blank with the missing words according to the text.）

2 . Directions: Fill in each blank with the missing words according to the text.

● So my grapes are from Spain, but at least they grew in natural sunlight. In the UK, people grow grapes in heated greenhouses, which means our grapes are     1         2    . But there is one other thing in my fridge, and if pizza and grapes are “bad”, then this food is “really ugly.” It's the burgers. They have the biggest     3         4     because they come from cows.

3 . Directions: Fill in each blank with the missing words according to the text.

● The next stop is the packaging. In the UK, we don't recycle all our packaging; we     1         2     more than 30% of it This waste goes to     3         4         5     and not to the recycling facility. Luckily, we don't need to package food like bananas, but food like grapes needs protection.

4 . Directions: Fill in each blank with the missing words according to the text.

● As one of China's great former capitals, Xi' an     1         2         3     the largest city in the world during the Tang Dynasty,     4         5         6     of art and poetry. Chang' an, as it was known at the time, was the starting point of     7         8         9    , which connected China to the world.

5 . Directions: Fill in each blank with the missing words according to the text.

● Florence     1         2         3     art, science and history museums and ancient buildings, as well as historic universities. You can visit many of these places to     4         5         6     the amazing work and discoveries that happened during the Renaissance period. An example is Michelangelo's famous statue David, which he completed between 1501 and 1504.     7         8     is the University of Florence. It was started in 1321 and many famous people studied there in the Renaissance period, including Leonardo da Vinci.