3 . 阅读下面材料，在空白处填入 1 个适当的单词或括号内单词的正确形式。

A group of students from England, who are interested in archaeology, have come to the Zhoukoudian caves for a visit. An archaeologist     1     (warm) gives them a brief introduction     2     the life and habits of the earliest people there.

Early people lived in caves and they made fires in the centre of caves     3     (keep) themselves warm, cook the food and scare their enemies away, such as tigers and bears. They might have kept the fire burning all winter because layers of ash almost six metres thick have been excavated.

Early people did wear clothes made from animal skins. They used sharpened stone     4     (tool) to cut up animals and remove their skins. Smaller scrapers     5     (use) to remove the fat and meat from the skin. Finally using needles     6     (make) of animal bones, they would sew the pieces together.

Early people also paid attention to their     7     (appear) and wore necklaces. Some of the necklace beads were made of animal bones but some were made of shells,     8     told us that all the fields around Zhoukoudian caves used to be part of     9     large shallow lake. They moved around, following the herds of animals. They didn’t grow their own crops, but picked fruit when it     10     (ripen) and hunted animals.

4 . 阅读下面短文，在空白处填入 1个适当的单词或括号内单词的正确形式。

The Forbidden City in Beijing, home to the Palace Museum, houses more than 1.8 million cultural relics and is one of the world’s most visited tourist attractions.

    1     (mark) the 600th anniversary of the Forbidden City, the Palace Museum will hold a series of events throughout 2020. Over 20 exhibitions will be held,     2     (cover) different areas such as history, art, festivals, and so on. For the special occasion, Along the River during the Qingming Festival, one of China’s most     3     (wide) known masterpieces, will go on display in September 2020. For     4     (it) best preservation, this treasured artwork is seldom fully exhibited. The painting     5     (display) for the first time back in 2005 to celebrate the museum’s 80th anniversary. Such     6     rare sight is expected to draw huge crowds.  In addition, the museum will also display exhibits from other     7     (country).

During the past few years, the Palace Museum has been working hard to get the public familiar     8     the history and culture of the Forbidden City. And it seems that these efforts have been paying off, with its     9     (popular) reaching a new height. Over 17 million people visited the museum in 2018, of     10     40 percent were under 30 years old.

5 . Washington, D.C. Bicycle Tours

Cherry Blossom Bike Tour in Washington, D.C.

Duration: 3 hours

This small group bike tour is a fantastic way to see a world-famous cherry trees with beautiful flowers of Washington, D.C. Your guide will provide a history lesson about the trees and the famous monuments where they blossom. Reserve your spot before availability — the cherry blossoms—disappear!

Washington Capital Monuments Bicycle Tour

Duration: 3 hours (4 miles)

Join a guided bike tour and view some of the most popular monuments in Washington, D.C. Explore the monuments and memorials on the National Mall as your guide shares unique facts and history at each stop. Guided tour includes bike, helmet, cookies and bottled water.

Capital City Bike Tour In Washington, D.C.

Duration: 3 hours

Morning or Afternoon, this bike tour is the perfect tour for D. C. newcomers and locals looking to experience Washington, D.C. in a healthy way with minimum effort. Knowledgeable guides will entertain you with the most, interesting stories about Presidents, Congress, memorials, and parks. Comfortable bikes and a smooth tour route(路线) make cycling between the sites fun and relaxing.

Washington Capital Sites at Night Bicycle Tour

Duration: 3 hours (7miles)

Join a small group bike tour for an evening of exploration in the heart of Washington, D.C. Get up close to the monuments and memorials as you bike the sites of Capitol Hill and the National Mall. Frequent stops are made for photo taking as your guide offers unique facts and history. Tour includes bike, helmet, and bottled water. All riders are equipped with reflective vests and safety lights.

1. Which tour do you need to book in advance?

A．Cherry Blossom Bike Tour in Washington, D.C.

B．Washington Capital Monuments Bicycle Tour.

C．Capital City Bike Tour in Washington.

D．Washington Capital Sites at Night Bicycle Tour.

2. What will you do on the Capital City Bike Tour?

A．Meet famous people.	B．Go to a national park.
C．Visit well-known museums.	D．Enjoy interesting stories.

3. Which of the following does the bicycle tour at night provide?

A．City maps.	B．Cameras.
C．Meals.	D．Safety lights.