支架检修完后，重新将检修过的支架认真检查，将设备存在的问题重新落实。
参考答案：对
已知命题p：∃x∈R，x2+m＜0；命题q：∀x∈R，x2+mx+1＞0．若p或q是真命题，p且q是假命题，则实数m的取值范围是______．
Thousands of foreigners were _________ to the Shanghai World Expo the day it opened.
A．attended
B．attained
C．attracted
D．attached
