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【单选题】

You want a healthy diet for yourself, but did you realize you"re also affecting the planet with how and what you eat Whole food, organic food and new food can all play an important part in pring climate change, saving fish and rainforests, reducing pollution and conserving energy for future generation. The following steps outline how:
Reduce your meat consumption; Most production requires a lot of water, land and potentially harmful matters such as hormones (荷尔蒙) antibiotic (抗生素), and leads to pollution of soil, air and water. Try switching from beef to chicken or fish, or better still, to beans, tofu and nuts.
Eat organic foods. Organic food isn"t just healthier for you; it"s also healthier for the land, water, air, wildlife and the workers who produce it. If you can find some organic product, choose strategically. For example, strawberries, sweet bell peppers, and apples require and retain higher pesticide (杀虫剂) levels than corn, onions, and sweet potatoes.
Buy locally produced foods. Buying local foods that are in season is good for many reasons. Buying from local sellers reduces fuel consumption and unnecessary traffic. Locally produced food is generally fresher and uses less packaging. Buying anything produced locally helps save resources used in packing, processing, marketing and shipping.
Reduce your cooking fuel use. The raw-food movement has swept the nation, and many people swear they feel better eating raw.Preparing raw food consumes less energy, and raw food is usually fresh by definition. Try using a solar oven. They can cook a wide variety of dishes and require no fuel. To protect the environment, it is better for you to eat more ________.

A.
beans and nuts
B.
beef and chickens
C.
fish and beef
D.
meat and tofu.
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举一反三

【单选题】属于氨基糖苷类抗生素是( )

A.
链霉素
B.
青霉素
C.
头孢菌素
D.
土霉素

【单选题】下列哪种手术宜预防性应用抗生素( )

A.
疝修补术
B.
甲状腺腺瘤摘除术
C.
乳房纤维腺瘤切除术
D.
开放性骨折清创内固定术
E.
肿瘤物理消融术

【单选题】可引起听力损害的抗生素是

A.
万古霉素
B.
氯霉素
C.
四环素
D.
红霉素

【单选题】Many Americans harbor a grossly distorted and exaggerated view of most of the risks surrounding food.Fergus Clydesdale, head of the department of food science and nutrition at the University of Massac...

A.
They overlook the risks of the food they eat.
B.
They overestimate the hazards of their food.
C.
They are overoptimistic about the safety of their food.
D.
They overstate the government's interference with the food industry.

【单选题】支原体肺炎首选的抗生素是

A.
红霉素
B.
泰能
C.
青霉素G
D.
头孢曲松

【单选题】以下口服应用的抗生素是()

A.
青霉素G
B.
非奈西林
C.
头孢曲松
D.
哌拉西林
E.
头孢哌酮