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.

某市售天然矿泉水标签的部分内容如图所示，请用正确的化学用语填空．钙离子：____，硫酸根离子：____，偏硅酸中硅元素的化合价为+4价：____，镁离子与氯离子形成化学物的化学式：____．

每个人都是社会的一员，社会交往是人类不可缺少的活动。我们在与他人交往的过程中要 获得知识、友谊和信任，就必须懂得做人的基本要求。做人的基本要求是（    ）