MRS SMITH HAS A CUTE BABY.IT OFTEN SMILES AT PEOPLE ()

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• Mrs Smith likes having a long walk 同意句Mrs Smith likes （t ） a long walkJohn Smith and his family like going camping.Mr. and Mrs. Smith often have their Saturdays and Sundays like this.Their .c..... ,Mike and Jane,are very good at camping.They like to go fishing with their father and go .s..... or going boating on the river.Mrs. Smith likes having a long walk.One day the Smiths .b..... a big car.It is .l..... a home.It has beds for four people,a sitt
• MRS SMITH HAS A CUTE BABY.IT OFTEN SMILES AT PEOPLE ()A FRIENDLY B LOVELY C HAPPILY D LIVELY
• MRS SMITH HAS A CUTE BABY.IT OFTEN SMILES AT PEOPLE ()
• 已知集合A｛x|y＝√（15-2x-x^2)｝,B=｛y|y=a-2x-x^2｝,全集U=R,A的补集∪B=R 求A得取值范围
• 全集U=R,已知集合A={x|y=根号(15-2x-x^2)有意义,B={y|y=a-2x-x^2},若A包含于CUB,求a的取值范围