细粮中的营养物质比粗粮丰富．

小明体重500N，周末他去“瑞和度假村游泳馆”游泳，当他套着游泳圈漂浮在2m深水区休息时（游泳圈的重力忽略不计），因不小心，手牌滑落，沉到池底．然后他潜入水中捞手牌，从他完全潜入到捞到手牌的过程中，他受到的浮力____（选填“变大”、“变小”或“不变”）．小明捞到手牌后，若他受到的浮力等于500N，在不做任何动作的情况下，他将在水中____（选填“上浮”、“下沉”或“悬浮”）．

阅读下面的短文，掌握大意，然后从每题所给A、B、C、D四个选项中选出最佳选项。

Dear Betty,

    Thank you very much for your email. I know you are new here and come to Wenzhou in your car. You want to know something old in Wenzhou. You say you'd like 1 Wenzhou Museum. It is a big and famous 2. It is near Shiji Square. Let me tell you the way to it. Take your car from your hotel and 3 along Fudong Road. Turn left at the third turning, not the 4 one. You will see Wenzhou Library 5your left. The museum is opposite the library. It 6from 9:00 to 5:00pm every day, except Monday. There are lots of 7 things and paintings in the museum. I think you can enjoy yourself there.8 don't take a camera, you can't use 9 in the museum. There is a small shop next to it. You can buy some souvenirs in it. And if you have enough 10, Wenzhou Science and Technology Museum is next to it. It is a good place to have fun, too.

    I think you'll have a good time in Wenzhou!

Yours,

Tom