问题
填空题
过直线外一点与这条直线平行的直线有______条.
过直线外一点与这条直线平行的平面有______ 个.
答案
经过直线外一点,有且只有一条直线与这条直线平行;
而过直线外一点,可作无数个平面与已知直线平行,
故答案为:1;无数
过直线外一点与这条直线平行的直线有______条.
过直线外一点与这条直线平行的平面有______ 个.
经过直线外一点,有且只有一条直线与这条直线平行;
而过直线外一点,可作无数个平面与已知直线平行,
故答案为:1;无数
完形填空。 Kelly Hall is 1 bank clerk, she works in a bank in town. She is 2 from morning to night. She gets up at six o'clock in the morning and 3 at half past six. After that she prepares (准备) breakfast. She has breakfast 4 the family at a quarter past seven. She goes to 5 at a quarter past eight. She finishes work at half past four and 6 home. She arrives home at a quarter to five. At half past six she makes dinner. Sometimes she watches TV __7__ an hour. On weekends, she often __8__ her son to the zoo. Her son likes the elephants. The elephants like 9 their friends. The little boy also likes koalas. They eat _10 _ at night. How interesting! | ||||
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