两条直线相交可以组成四个角．______．（判断对错）
如图：两条直线相交可以组成四个角；
故答案为：√．
All students are requested to be present at the meeting ______ in the school auditorium at 1:30 pm.
A．being held
B．having held
C． to be held
D．to hold
热态启动应注意事项？
