工程开工、工序交接及隐蔽工程隐蔽前，监理项目部应进行检查、确认。
参考答案：对
When first to his new classmates, the little boy felt shy and said nothing.
A．introducing
B．introduced
C．introduce
D．being introduced
妊娠28周末
A．子宫底高度在脐耻之间B．子宫底高度在脐上1横指C．子宫底高度在脐上3横指D．子宫底高度在脐与剑突之间E．子宫底高度在剑突下2横指
