函数y=$\frac{1}{\sqrt{x+3}}$自变量的取值范围是（　　）

根据短文理解，选择正确答案。

Hours

Monday – Thursday: 10:00 am – 5:00 pm

Friday: 10:00 am – 8:00 pm

Saturday: 10:00 am – 5:00 pm

Sunday: 11:00 am – 5:00 pm

    Closed on Thanksgiving Day and Christmas Day.

    The Museum Shop is open during regular museum hours.

The Museum Library

Monday –Friday: 10:00 am – 5:00 pm

The Skyliner Restaurant

Monday - Saturday: during regular museum hours

Sunday: 11:30 am – 5:00 pm

Admission

Adults:$7.00

The aged and students with ID: $6.00

    Wonderful Museum offers a 50% discount to groups of 20 or more.

寒假就要到了，写一份你的假期计划吧。要求：条理清晰，语句通顺，书写工整、规范。不少于50个单词。