下列关于子痫患者的护理措施不正确的是（）。
A.减少刺激
B.严密监护
C.病室明亮
D.由专人护理，防止受伤
E.协助医生控制抽搐
参考答案：C
化简a+b+（a-b）的最后结果是 [ ]
A.2a+2b
B.2b
C.2a
D.0
学校的特长俱乐部要招生。今天，有两个好朋友Mary和Lisa一起去参加面试。请完成下面主考老师
与他们之间的对话。
Teacher: 1.___________________________?
Mary & Lisa: We want to join the music club.
Teacher: 2.___________________________?
Mary: I can sing.
Teacher: 3.___________________________, Lisa?
Lisa: Yes. I can also play the piano, but I can't play it very well.
Teacher: 4.___________________________, Mary?
Mary: Yes. I can also play the guitar.
Teacher: 5.___________________________?
Mary: No, I can't play it very well.
