1.C)New explanations for the obesity epidemic
2. A)gained the least weight
3. B)it causes sleep loss
4. D)it contributes to our weight gain
5. C)it suppresses their appetite
6. D)those who quit smoking
7. B)the rising proportion of minorities in its population
8.not entirely clear
9.family size
10 party genetiz
Canada wildfire and NASA discovery 加拿大林火,美国国家航空航天局发现系外行星
It's on the cards 这件事十有八九会发生
Close, but no cigar 几近成功
To turn something upside down 把……翻个底朝天
There's method to my madness 我有一个不合常理的办法
The cost of protecting the environment, Juno space probe 保护环境付出的代价,“朱诺”木星探测器
Art and football 海底发现文物,莱斯特城足球俱乐部曼谷庆功
Barefaced 厚颜无耻的
Axe to grind 别有用心
To fall at the first hurdle 跌倒在第一关
In good nick 品质好、没有损坏
Knee-jerk reaction 本能反映
Drama queen 小题大做的人
India's sewer workers and British school standards 印度下水道工人施工安全,英国在校生学习成绩下降
Off the hook 脱身
Antibiotics and escalator etiquette 美国人过多使用抗生素,伦敦地铁扶梯礼仪
World's longest tunnel and a strange kind of race 世界最长铁路隧道,扛羊毛袋比赛
It takes two to tango 一个巴掌拍不响
White / blue-collar worker 白领,蓝领
Cyborg beetle and the teenage brain 半机械甲虫,青少年脑部发育
Indian state introduces 'fat tax' 印度一省拟征收“脂肪税”
Hot potato 棘手的问题“烫手山芋”
You're pulling my leg! 你在愚弄我!
One good turn deserves another 以德报德,礼尚往来
A bitter pill to swallow 不得不吞的苦药
Russian athletes and friendly robots 俄罗斯运动员服用兴奋剂,“合作机器人”
The last/final straw 忍无可忍,使人最终崩溃的一击
A recipe for disaster 后患无穷
Glass-bottomed bridge, cancer risk for HRT and 120-year-old man 世界最长玻璃桥开放,荷尔蒙替代疗法增患癌风险,印度教120岁僧人
Chelsea doctor and surfing in Australia 切尔西队医与球队和解,澳大利亚冲浪
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