冬天来了，你也许会发现有一种花正开着。她是那样的纯（chún）洁（jié）、可爱，她既没有绿色的枝条，也没有绚（xuàn）丽的颜色。她就是晶（jīng）莹（yíng）洁白的雪花。

    当你在阳光下欣（xīn）赏（shǎng）她的美丽时，你会发现她像闪闪发光的钻（zuàn）石。她是六角形的，但是六个角的尖（jiān）端（duān）处有尖的、圆的，还有的像花瓣（bàn）。她们有的重（chóng）叠（dié）在一起，组成不同的花形和美丽的图案（àn）。

我喜欢她不是因为她有各异的花形和美丽的图案，而是因为她的纯洁、朴实。

将下列单词或词组填入空格，每空格限填一词，每个单词或词组只能填一次。

    Although we still don't know whether using mobile phones can cause cancer, we should try to use our phones ____.Here are some tips:

    *Use a headset（耳机） or speaker.

    Headsets give out much less radiation than phones.Some wireless headsets give out low-level radiation. However, you should ____ your headset when you're not talking to anyone.Using a phone with a speaker will also make it safer.

    *Listen more, talk less. Your phone gives out radiation when you talk or text, but not when you're listening or getting messages.

    *Hold the phone away from your body when you are talking, not ____ your ear. Also, don't keep it in your pocket.

    *Choosing texting over talking. Phones give out less radiation when sending texts than when making calls.Texting also keeps radiation away from your head.

    * Poor signal? Stay off the phone. Fewer signal bars（信号数） on your phone ____ that the phone needs to give out more radiation to work. Make and take calls when your phone has a strong signal.

下面的句子被打乱了。你能重新将它们排列好吗？