从方框中选词并用其适当形式填空

Australia, 　play, 　swim, 　two, 　my

⑥Shu-How Lin is one of the famous basketball____.

⑦Welcome these ____ friends to our school.

⑧ Would you like to go ____ with me this Sunday?

⑨—What are you going to do tomorrow?

—Enjoy ____ on the beach.

⑩ Monday is the ____ day of the week.

美国总统奥巴马曾说：“美国真正的天赋在于它懂得改变……让我们坚信我们能够并即将取得成功”。面对20世纪30年代大危机，美国人取得成功的“改变”是（    ）

蛙的神经元内、外Na^＋浓度分别是15 mmol/L和120 mmol/L。在膜电位由内负外正转变为内正外负过程中有Na^＋流入细胞，膜电位恢复过程中有Na^＋排出细胞。下列判断正确的是 (　　)