金黄色葡萄球菌生物学特性叙述正确的是 （）
A.革兰阳性球菌
B.革兰阴性球菌
C.革兰阴性杆菌
D.革兰阳性杆菌
E.周身鞭毛
参考答案：A
Please do me a favor — ______ my friend Mr. Smith to Youth Theater at 7:30 tonight.
A．to invite
B．inviting
C．invited
D．invite
Whatever he does, once he sets up a goal, he would start pursuing it without _______.
A．hesitation
B．suggestion
C．discussion
D．decision
