问题
单项选择题
下列哪个血压值属于一级高血压（）
A.165/90mmHg
B.145/90mmHg
C.145/105mmHg
D.165/105mmHg
答案
参考答案：B
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下列哪个血压值属于一级高血压（）
A.165/90mmHg
B.145/90mmHg
C.145/105mmHg
D.165/105mmHg
参考答案：B
People make traffic 1 to keep order(维持秩序)on the road. The traffic rules also help to keep people 2 . People have to 3 many traffic rules. You must walk on the sidewalk or on the 4 of the road in China. Look both ways carefully 5 you walk across the street. If you like 6 a bike, don’t ride in the middle of the road or run through(闯)red traffic lights. When you ride a bike with a friend, 7 look around and talk. If you drive a car or a bus, you must 8 at traffic lights. You must always take a seat belt(安全带). Without belts, the driver and the passengers may be badly 9 in a sudden accident. If you travel by bus, get on or get off a bus only when it comes to a 10 , When it’s full ,don’t try to get inside, or you may fall off.
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