Read the following paragraph and underline the topic sentence.

The very act of stepping outside of your comfort zone is critical to your success. Our brains are wired so that it's difficult to take action until we feel at least some stress and discomfort In fact, performance peaks when we're well out of our comfort zone. If you're too comfortable, your performance suffers from inaction; if you move too far outside of your comfort zone, you melt down from stress. Stepping outside of your comfort zone makes you better, and it doesn't have to be something as extreme as climbing Mount Everest. It's the everyday"s challenges that push your boundaries the most, none of which require a flight to Nepal. Just embrace these challenges since, no one has ever accomplished anything remarkable when comfortable.

Write a letter of thanks according to the following situation: Your friend sent you a birthday gift from abroad. Write to him/her to express your appreciation, explain why you like the gift and ask about his/her situation. Please sign your name as Li Fei. (150-200 words)

Read the following paragraph and choose the best topic sentence from the four options that follow. Write the corresponding letter of your choice on the answer sheet.

Leeds’ Hyde Park Picture House, the U.K."s only surviving gas-lit cinema, has secured a€2.4 million investment to ensure the lights stay on. First launched in 1914, the small picture house was once used to broadcast news bulletins and announcements during wartime. To this day, the cinema continues to use gas lighting, giving modern patrons a sense of the building' s century-long history. The funding of the cinema is part of a€55 million Heritage Lottery Fund (HLF) scheme ensuring the future of Britain's most prestigious historical buildings. The lottery funding will be used not only to keep the cinema lit by gas lamps, but also to restore its special floors and decorations. Britain's Heritage Minister Tracey Crouch said: “Our heritage provides us with a sense of identity and helps boost tourism and local economies. These grants will help preserve important parts of our heritage for the public to enjoy.”

A、The only surviving gas-lit cinema has special floors and decorations.'

B、The lottery funding only aims at rebuilding the century-long cinema.

C、The heritage in Britain helps to promote tourism and local economies.

D、The HLF scheme helps preserve U.K."s heritage like the gas-lit cinema.

A、 Keysar said that all this has to do with how foreign languages affect our emotions.

B、That is, people's reactions are stronger when they use emotion-related words in their native tongue.

C、In others words, they're more likely to kill- one person to save five -at least supposedly.

D、This we leaned from Boaz Keysar, whose research has shown that using a foreign language affects how people make decisions when faced with moral dilemmas.

E、Thinking and speaking in a foreign language affects our decision-making.

F、 Even though love and amour have exactly the same meaning, if you're a native English speaker, you still get a lot more out of love.

G、 If, for example, you ask people whether they would shoot a bus driver to stop him from running over five people sacrificing one person to save five- - -respondents are more likely to choose to shoot the driver if asked in a foreign language than in their native language.

H、 But when people use a foreign language, they're more likely to engage in cost-benefit analysis, and less likely to be affected by all sorts of emotional reactions.

The Article is shaping up to be one of the most strategically important regions in the 21st century. However, while Russia has been steadily building its Arctic capabilities, the U.S. nearly lost its only heavy polar icebreaker on an Antarctica deployment. Russia plans on adding two icebreaking patro1 ships armed with cruise missiles by 2020. Thankfully, the U.S. Government is beginning to take this gap seriously and there arc actions the government can take to accelerate this revitalization (振兴). First, the Coast Guard should consider purchasing foreign- built icebreakers. Also, Congress can work with the Coast Guard to facilitate more efficient business practices. Foreign-built icebreakers could be significantly less expensive. Finally, the government should increase the Coast Guard's total acquisition budget. If Congress and the executive branch do not act quickly to reverse the current trends, then the U.S. is partially losing the opportunity to be a key player in this strategic region.

Choose the best topic sentence from the four options below. Write the corresponding letter of your choice on the answer sheet.

A、We trust a company which writes its name in blue more than one that uses pink.

B、A study shows that depression can be relieved by the use of certain colored lights.

C、Different colors can influence the choices we make and even change our emotions.

D、Some fast-food restaurants tend to use red-colored package to attract customers

Read the following paragraph and underline the topic sentence.

The very act of stepping outside of your comfort zone is critical to your success. Our brains are wired so that it's difficult to take action until we feel at least some stress and discomfort In fact, performance peaks when we're well out of our comfort zone. If you're too comfortable, your performance suffers from inaction; if you move too far outside of your comfort zone, you melt down from stress. Stepping outside of your comfort zone makes you better, and it doesn't have to be something as extreme as climbing Mount Everest. It's the everyday"s challenges that push your boundaries the most, none of which require a flight to Nepal. Just embrace these challenges since, no one has ever accomplished anything remarkable when comfortable.

Thousands of people register for continuing education classes each year. To learn new skills or to improve their lives.

While watching the movie, sweet memories of the days in the forest with her father were brought to mind.

Humans, like other animals, have a biological clock that tel us when to sleep and when to eat, our bodies are controlled by the clock in many ways.

A recent study shows that reading in print is better for understanding than to read on a Kindle or other electronic devices.