问题
单项选择题
不等式组中x的最大解区间为[-2,1],则(a+b)2010值为()
A.22010
B.24020
C.0
D.1
答案
参考答案:D
解析:
解不等式组,根据解区间,得a=5,b=-6,代入得1。故选D。
不等式组中x的最大解区间为[-2,1],则(a+b)2010值为()
A.22010
B.24020
C.0
D.1
参考答案:D
解析:
解不等式组,根据解区间,得a=5,b=-6,代入得1。故选D。
选词填空,并注意词形变化。 | |
2. This kind of hand cream _____ really well. 3. This picture makes me _____ tense. 4. When prices are _____, you can go to the store with the lowest price. 5. The picture in an ad looks _____ better than the real thing. |