操作人员在进行高处作业时,必须正确使用。

进入施工现场必须戴好安全帽,操作人员在进行高处作业时,必须正确使用安全带。

净现金流量就是项目所有现金流入与所有流出的代数和

净现金流量等于现金的流入减流出

接长钢筋的三种办法：绑扎搭接、焊接、机械连接

I()alotofbeerwhenIvisitedQingdao.

Iwasreallyimpressed()theLeaningTowerofPisa.

Iampoor()Englishgrammarandwriting.

GoingtoheEnglishCornermakesme()happyandmoreconfident.

Who()mydictonary?Pleasegiveitbacktome.

I()myneighourwithhisEnglishhomeworkyesterdayevening.

The()muchpopularcolourinthisautumnisblack.

Itisvery()inthepast.

Fahionbelongs()notonlytheyong,butalsotheold.

（）LiMing()gotoschooleveryday?

Thegirl（）underthattreeismaysister.

People（）exerciseregularly.