下列命题：
①不相交的两条直线平行；
②同位角相等，两直线互相平行；
③同垂直于一条直线的两直线平行；
④同旁内角相等，两直线平行．
其中真命题有（ ）
A．1个
B．2个
C．3个
D．4个
①在同一平面内，不相交的两条直线平行，故本选项错误；
②同位角相等，两直线互相平行，故本选项正确；
③在同一平面内，垂直于同一条直线的两条直线互相平行，故本选项错误；
④同旁内角互补，两直线平行，故本选项错误．
故选A．
词汇运用（共10小题；每小题1分，满分10分）用方框内所给词的适当形式填空，并把答案写在答题卡上。
2. The head teacher stresses the of English study, for he thinks it is useful. 3. He was born in America but was in China. 4. She her face in her hands and cried. 5. The father is always about how much food his son can e  at. 6. are strong, dry winds that carry sand. 7. China is in one of the most active earthquake regions in the world. 8. She to me about his carelessness just now, and was a little angry. 9.One of the most important goals is to reduce poverty and . 10. He is an physics teacher, and he can help you improve your study. |