25.The living room is clean and tidy, with a dining table already _______ for a meal to be cooked.
A.laid B.laying C.to lay D.being laid
24.Would you complain if you were ________ with the food or service in a restaurant?
A.overpaid B.dissatisfied
C.underrated D.misinformed
23.The school is trying its best to improve its digital library, making it more ________ to students.
A.achievable B.approachable
C.affordable D.accessible
22.You might think they have enough money for the project but ________ could be further from the truth.
A.something B.everything C.nothing D.anything
第一节 单项填空(共20小题; 每小题1分, 满分20分)
从各题所给的四个选项(A、B、C和D), 选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。
21.________ medical examination will help us find our health problems in time.
A.Regular B.Normal C.Common D.Ordinary
22.已知函数
.
(1)讨论函数
的单调性;
(2)设
,如果对任意
,
,求
的取值范围
21.已知
在R上单调递增,记△ABC的三内角A,B,C的对应边分别为a,b,c,且![]()
(1)求实数k的取值范围;
(2)求角B的取值范围;
(3)若不等式
恒成立,求实数m的取值范围.
20.已知观测点B在A的正西且相距
的海面上,现位于A点北偏东45°,B点北偏西60°的D点有一艘轮船发出求救信号,位于B点南偏西60°且与B点相距
海里的C点的救援船立即即前往营救,其航行速度为30海里/小时,该救援船到达D点需要多长时间?
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