Driving a Car is not just handing controls and judging speed and distance, it requires you

Driving a Car is not just handing controls and judging speed and distance, it requires you to predict what other road users will do and get ready to react to something unexpected. When alcohol is consumed, it enters your bloodstream and acts as a depressant(抑制药), damaging eyesight, judgment and co-ordination（协调）,slowing down reaction time and greatly increasing the risk of accidents. Even below the drink driving limit, driving will be affected.
Alcohol may take a few minutes to be absorbed into the bloodstream and start action on the brain. Absorption rate is increased when drinking on an empty stomach or when consuming drinks mixed with fruit juice. To get rid of alcohol from the body is a very slow process and it is not possible to speed it up with any measures like a shower or having a cup of tea or coffee.
The present traffic ordinance states clearly that the limit of alcohol concentration is:
●50 milligrams of alcohol per l00ml of blood; or
●22 milligrams of alcohol per l00ml of breath; or
●67 milligrams of alcohol per l00ml of urine(尿液)
Drivers who cause traffic accidents, or who mit a moving traffic offence or are being suspected of drink driving will be tested.
Any drive found drinking beyond the limit will be charged. The driver declared guilty may be fined a maximum of HK﹩25,000 and be sentenced to up to 3 years in prison and punished for 10 driving-offence points; or temporarily banned from driving.
The same punishment applies to failing to provide specimens (样本) far breath, blood or urine tests without good excuse.
Drink driving is a criminal offence. Be a responsible, driver, think before you drink. For the safety of yourself and other road users, never drive after consuming alcohol.
【小题1】The first paragraph is mainly about    .A．the introductions of driving skillsB．the damage of drinking to your bodyC．the effect of drinking on drivingD．the process of alcohol being absorbed【小题2】
The underlined word ”it” in the second paragraph refers to “    ”．A．alcoholB．absorptionC．bloodD．process【小题3】
which of me following is TRUE according to the passage?A．Drinking below the drink driving limit has no effect on driving. B．Alcohol is taken in more quickly when drunk with fruit juice. C．Having a cup of tea helps to get rid of alcohol from the body. D．50milligrams of alcohol per l00ml of breath is below the drink driving limit.【小题4】
A driver suspected of drink driving     . A．should provide specimens for testingB．will be forbidden to drive for 3 yearsC．will be punished for 10 driving-offence pointsD．should pay a maximum fine of HK$25,000C