A、 Eat with a fork.
B、 Eat with a fork and a spoon.
C、 Eat with a spoon.
D、 Eat with a fork or a spoon.

【正确答案】 A

【答案解析】解析：短文开头提到，新的研究表明用叉子吃东西比用勺子吃东西更能帮助减肥。故选A。

A、 Their feelings of discomfort and failures are enhanced.
B、 Their feelings of comfort and successes are enhanced.
C、 Their feelings of discomfort and flavor are enhanced.
D、 Their feelings of comfort and taste are enhanced.

【正确答案】 A

【答案解析】解析：短文中提到，当人们照镜子时，不适感和失败感会增强。故选A。

A、 It helps people to judge themselves and their behaviors in a same way that they judge others.
B、 It enables people to view themselves objectively.
C、 It induces a discomfort and lowers the perceived taste of unhealthy food.
D、 It makes people have a bad view on others.

【正确答案】 D

【答案解析】解析：文中提到，镜子让人们更客观地看待自己，让人们用评价别人的方式来评价自己，让人不舒适并降低对垃圾食品的食欲，但没有提到镜子会让人对他人有不好的观点。故选D。

A、 Behind the door.
B、 In the restroom.
C、 In the bedroom.
D、 In the dining room and other eating spaces.

【正确答案】 D

【答案解析】解析：短文最后提到，这项研究建议镜子放在餐厅或在其他吃饭的地方，这样人们就会开始健康地饮食了。故选D。