2. Beef burgers are still overwhelmingly the more popular choice at restaurants.Americans______6.4 billion beef burgers at quick service restaurants in one year.
(A) distributed
(B) obtained
(C) purchased
(D) obsessed

48. __________Many European countries, such as France and Germany, have banned growing GM crops. However, the U.S. and Brazil generally have more favorable regulations for GM crops and are among the world's largest producers of such crops.Which of the followings is the most appropriate topic sentence of this paragraph?(A) Regulations of GM foods are dramatically different around the world.(B) Growing GM crops should be banned globally to protect the public's health.(C) European countries are still learning about how to regulate GM crops.(D) Strict regulation of GM crops has limited production of GM foods in Europe.

49. Although scientists know very little about giraffes, they do know that giraffes are in trouble. Habitat loss and poaching have reduced their numbers by an estimated 40 percent in the last 30 years.____________. To combat this decline, Dr. Brown and other scientists have been surveying and monitoring as many wild giraffe populations as they can.Which of the followings is the most appropriate supporting sentence of this paragraph?(A) Giraffes don't need much sleep to function.(B) Some subspecies are now critically endangered.(C) Surveying and monitoring giraffes is very challenging.(D) This reduction has led to a new discovery about giraffes.

50. More companies are using augmented reality to help people with online shopping. Jins Eyewear, which sells prescription glasses, lets you take a photo of your face to virtually try on glasses before deciding whether to buy them. Snap, the parent company for Snapchat, has teamed up with luxury brands like Gucci and Dior to offer virtual try-ons.Which of the followings is the most appropriate concluding sentence of this paragraph?(A) More and more technology companies are investing more money to help customers choose where and how they would like to shop in the store.(B) This technology improves the shopping experiences by allowing us to interact with digital objects in our physical world.(C) In reality, Jins Eyewear is making more profits than Snap because the company sells photos with the prescription glasses.(D) Virtual reality is now replacing online shopping in the luxury market, as it provides a better experience for both the customers and the brand.

1. Some scientists claim that plant-based meat alternatives are better for consumers and better for the planet, requiring less land and water and producing fewer greenhouse gas______than meat from cattle.(A) emissions (B) discharges (C) ejections (D) projections

3. For every 100-gram (3.5-ounce) increase in the weight of ultra-processed food __, the risk for diabetes increased by 5 percent.(A) expired (B) stimulated (C) resumed (D) consumed

4. The travel industry started to introduce trips that actively involve holidaymakers in litter clearing and beach clean-ups, which will continue as a(n)______to tackling the global plastics.(A) capacity (B) commission (C) operation (D) commitment

5. With global air passenger numbers set to double in the next 20 years, anything to smooth the worst part of international travel will be welcomed, though experts have also raised______aboutdata security.(A) griefs (B) concerns (C) distresses (D) sufferings

6. While sunscreens are crucial for UV protection, recent research indicates that once certain chemical______enter the water, they become harmful to humans and nature.(A) portions (B) ingredients (C) shares (D) servings

7. New technology is already being trialed, by introducing biometric technology that uses facial ______at check-in, bag drops, security lanes and boarding gates, which it claims will reduce timespent at airports by a third.(A) recognition (B) acknowledgement (C) acquisition (D) requirement

8. In 2019, regulations______all single-use plastics will come into effect in many destinations globally. Consumers will have to work out which ones are genuinely making a difference andwhich ones are just paying lip-service.(A) interrupting (B) omission (C) banning (D) intruding