单选题Recycling is one way to protect the environment; reusing is __________ .

单选题________ I want to tell you is the deep love and respect I have for my parents.

单选题It's an either-or situation - we can buy a new car this year or we can go on holiday but we can’t do________.

单选题What room does the man want?

单选题What will Celia do?

单选题While she was in Paris, she developed a ________ for fine art.

单选题The best moment for the football star was _________ he scored the winning goal.

单选题It was a real race _____time to get the project done. Luckily, we made it.

单选题There’s no way of knowing why one man makes an important discovery _____another man, also intelligent, fails.

单选题 　　　Let's say you've decided you want to eat more healthfully. However, you don't have time to carefully plan menus for meals or read food __41__ at the supermarket. Since you really__42__ yourself to a healthier lifestyle, a little help would come in handy, wouldn't it? This is where a "choice architect" can help__43__some of the burden of doing it all yourself. Choice architects are people who organize the contexts in which customers make decisions. For example, the person who decides the layout of your local supermarket-including which shelf the peanut butter goes on, and how the oranges are piled up—is a choice architect. 　　　Governments don't have to__44__healthier lifestyles through laws for example, smoking bans. Rather, if given an environment created by a choice architect-one that encourages us to choose what is best-we will do the right things. In other words, there will be designs that gently push customers toward making healthier choices, without removing freedom of choice. This idea combines freedom to choose with__45__hints from choice architects, who aim to help people live longer, healthier, and happier lives. 　　　The British and Swedish governments have introduced a so-called "traffic light system" to __46__foods as healthy or unhealthy. This means that customers can see at a glance how much fat, sugar, and salt each product contains__47__by looking at the lights on the package. A green light __48__that the amounts of the three nutrients are healthy; yellow indicates that the customer should be__49__; and red means that the food is high in at least one of the three nutrients and should be eaten in __50__. The customer is given important health information, but is still free to decide what to choose.

单选题Shortly after suffering from a massive earthquake and ________ to ruins, the city took on a new look.

单选题_______ we understand things has a lot to do with what we feel.

单选题A serious study of physics is impossible________some knowledge of mathematics.

单选题I have an appointment ________ Dr. Smith, but I need to change it.

单选题I can’t tell you __________ way to the Wilsons’ because we don’t have __________ Wilson here in the village.

单选题I ________ myself more—it was a perfect day.

单选题What is woman going to do tonight?

单选题The school board is made up of parents who ________ to make decisions about school affairs.

单选题Some people care much about their appearance and always ask if they look fine in ________ they are wearing.