151 When a motorist takes the alcohol breathing test, the alcohol concentration may not exceed
(A)0.15 mg
(B)0.25 mg
(C)0.55 per litter.

147 If your motorcycle has not been inspected and registered, so you don't have a license plate for your motorcycle, (A) you may not drive your motorcycle. (B) you may drive your motorcycle. (C) you may drive your motorcycle in suburban areas only.

148 A license plate (A) has to be installed in accordance with law. (B) can be installed anywhere on the vehicle as long as the license plate number is visible. (C) There is no law regulating this.

149 In addition to a fine, if a motorcycle owner who knowingly fails to stop the rider from drunk driving, his/her motorcycle license plate shall be suspended for (A)3 months. (B) a year. (C) two years.

150 According to the regulation, motorists with a driving license for an ordinary heavy-uty motorcycle may not ride a two-wheel motorcycle with an engine capacity (A)between 50 cc and 250 cc (B)less than 50 cc (C)above 250 cc.

152 Which of the following are extremely dangerous areas, and lingering in these areas should be avoided? (A) Roads which have small rocks falling； (B) Rockfall catchment fences or disfigured and twisted road railings； (C) All of the above.

153 Which of the following weather conditions is known to cause road accidents, and so drivers should be aware? (A) Tidal waves； (B) Precipitation； (C) Varying temperature.

154 Which of the following driving behaviors is incorrect? (A) Listening to the Police Broadcasting Service and being informed of the latest traffic reports； (B) If lost on the road, taking a look at the kilometer signs to locate the present site and asking for help； (C) When trapped by falling rocks, parking vehicles at the roadside without checking if the nearby area is safe or not.

155 What should one do when lost on mountain roads? (A) Take a look at kilometer signs to locate present position and ask for help； (B) Head for the nearest safe parking space or temporary parking space for emergencies and wait for a relief team； (C) All of the above.

156 Which of the following is NOT the purpose of traffic control for closing down roads and bridges? (A) Roads and bridges are prone to accidents, and motorists who go through these sections are putting themselves in danger； therefore, roads or bridges closed in advance to prevent motorists entering dangerous areas may lead to death or loss of property； (B) Roads under construction or which have already been damaged should be closed down to speed up repairs and ensure driver safety； (C) Closing down roads and bridges causes inconvenience for drivers and interrupts their trips.

157 About the saft distance between vehicles, which of the following is incorrect? (A)when two cars are approaching each other on a road, the safe distance between the vehicles may not be shorter than 0.5 meter (B)stay 1 meter (about the length of a car door) apart from vehicles parked on the side of the road (C)it is not necessary to maintain a safe distance as long as there is enough space to pass.