连续降雨天气，山区公路可能会出现路肩疏松和堤坡坍塌现象，行车时应选择道路中间坚实的路面，避免靠近路边行驶。
参考答案：对
读短文，判断正(T)误(F)。
Every morning, I get up at 6:30. Then I make the bed by myself. Next I Washmy face and hands. And then I comb my hair. At 7:00 I have breakfast at home. Forbreakfast, I have some milk, an egg, an
apple and a cake. After breakfast, I brushmy teeth. At about 7:30, I go to school by bus. I work hard at school.
( ) 1. I get up at six thirty.
( ) 2. After I comb my hair, I wash my face.
( ) 3. I have breakfast at home.
( ) 4. For breakfast, I have some milk, some eggs, an apple and a cake.
( ) 5. I go to school by bus.
下列哪项与二氧化碳潴留无明显关系（）。
A.搏动性头痛
B.白天嗜睡
C.贫血貌
D.心率加快
E.球结膜充血水肿
