Better English

1. C 2. A 3. She wrote Facebook posts criticising the government and Leung Chun-ying using foul language. 4. She cried and stopped going out. 5. difficulty/ trouble
1. technology that lets people use their minds to type messages or hear words with their skin 2. A
1. A2. It is seen as a symbol of wealth.3. Because it contains mercury and dangerous toxins.4. C5. (i) T (ii) NG (iii) F
1. A 2. death and longevity trends3. (i) T (ii) F (iii) F4. comprehensive health care/health care for everyone5. South Korea
1. Chinese authorities have increased their control of the internet, and cracked down on live-streaming broadcasters.2. vulgarity / obscenity / wrong life values (any two)3. (i) massive (ii) unveiled
1. C 2. examine something carefully/look at closely 3. exploitation/ high recruitment fees/ wage theft (any 2) 4. photos demonstrating the plight of migrant workers
1. b  2. c 3. a 4.b 5. c 6. d 7.d 8.a
1. be slower than, or achieve less than others 2. WeChat Wallet is a mobile wallet feature built into messaging app WeChat. Tencent runs it.
1. B 2. surrounded by many people, trapped  3. (i) falsified/ fake (ii) enraged (iii) thriving  4. (i) T (ii) NG (iii) F