2017广州高三调研(2017广州零模)(2)

Taken together, these apps solve some of the most common travel problems. But not all of them. Some things, no smartphone can fix, which means I get to keep my job – for now at least.

12. What does the writer want to tell through the example of Judy Williams? A. The cost of Blu Hotel was higher than that of others. B. The clerk was very friendly and patient.

C. The smartphones have many functions.

D. Technology can make our trips better.

13. Commute is not suitable for those who_______________. A. have a long journey

B. go on the same trip every day C. can easily get stuck in traffic jams

D. travel a short distance downtown

14. What is the function of Travel Money Tracker?

A. It tells people how much Espresso costs.

B. It warns people when they are shopping.

C. It changes the native currency to yours.

D. It records all people’s purchases.

15. What is the purpose of this passage?

A. To encourage people to travel.

C. To help people with technology problems.

D. To provide people with traveling information.

第二节（共5 小题；每小题2 分，满分10 分） 根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 Is bottled water better for you than tap? Or should you choose vitamin-eiched water? Experts say, skip it all. None of these products is likely to make you any healthier. Below, we look at four major

If you are not thirsty, your fluid intake is likely “just right”.

Myth No. 1: Drink eight glasses each day.

really knows,” says Dr. Stanley Goldfarb, a kidney expert at the University of Pennsylvania.Myth No. 2: Lots of water equals healthier skin.

a limited effect. “It’s such a tiny part of what’s in the body,” says Goldfarb. “It’s very unlikely that one’s getting any benefit.” A more accurate statement may be: drinking water is a helpful tool for dieters. “Water is a great strategy for dieters because it has no calories,” says Madeline Fernstrom of the University of Pittsburgh. “So you can keep your mouth busy without food and get a sense of satisfaction.” But water is not magical, she adds, “Other zero-calorie options such as diet sodas are fine, too.”

Myth No. 4: It’s easy to get dehydrated （脱水的）during a workout.

also obvious that individuals in hot, dry climates have an increased need for water,” says Goldfarb. “But for a walk in the park, no water bottle is necessary.”

A. So where does the standard advice come from?

B. But it’s unclear whether these changes are clinically significant.

C. So for a 200-pound man, this means losing 4 pounds of water.

D. Drinking extra water leads to weight loss.

E. Drink as much water as you can.

F. So, if you take a 200-pound man, he’s 120 pounds of water.

G. But first, how do you know if you’re drinking enough water?

篇二：广州市海珠区2017届高三上学期调研测试(一)(文数)

广州市海珠区2017届高三上学期调研测试（一）

数学（文科）

注意事项：

1．本试卷分第Ⅰ卷（选择题）和第Ⅱ卷（非选择题）两部分．答卷前，考生务必将自己的姓名、准考证号填写在答题卡上．

2．回答第Ⅰ卷时，选出每小题答案后，用铅笔把答题卡上对应题目的答案标号涂黑．如需改动，用橡皮擦干净后，再选涂其它答案标号．写在本试卷上无效．

3．回答第Ⅱ卷时，将答案写在答题卡上，写在本试卷上无效． 4．考试结束后，将答题卡一并交回．

第Ⅰ卷

一、选择题：本大题共12小题，每小题5分，在每个小题给出的四个选项中，只有一项是

符合题目要求的．

2

（1）已知集合M???2,0,2,4,?，N?xx?9，则M?N?

??

(A)?0,2? (B)??2,0,2? (C) ?0,2,4? (D)??2,2?

?1?

（2

）复数???(其中i为虚数单位)的值是

22??

(A)?i (B) i (C) ?1 (D)1 （3）要得到函数y?sin?2x?

（A）向左平移（C）向左平移

3

?

?

??

?的图象，只需要将函数y?sin2x的图象 6?

?12

个单位 （B）向右平移

?12

个单位

??

个单位 （D）向右平移个单位 66

m

= n

（4）已知甲、乙两组数据如图茎叶图所示，若它们的中位数相同，平均数

也相同，则图中的m,n的比值 （A）

312

（B） （C） （D）1 839

（5）如图，在底面边长为1，高为2的正四棱柱ABCD?A1B1C1D1中，

点P是平面A1B1C1D1内一点，则三棱锥P?BCD的正视图与侧视

图的面积之和为

（A）2（B）3（C）4（D）5

x2y2

（6）设点P是双曲线2?2?1(a?0,b?0)上的一点，

ab

F1，F2分别为双曲线的左、右焦点，已知PF1?PF2，且

PF1?2PF2，则双曲线的离心率为

（A

（B

（C）2（D

?y?x?

（7）在平面直角坐标系中，已知点A?2，?1?和坐标满足?x?y?1的动点M?x,y?，

则目

?y??1?

?????????

标函数z?OA?OM的最大值为

（A）4 （B）5（C）6 （D）7 （8）已知函数f?x??x?lnx，则f?x?的图像大致为

（9）若c?1，0?b?a?1，则

（A）ac?bc （B）bac?abc（C）alogbc?blogac（D）logac?logbc

（10）在△ABC中，角A，B，C的对边分别是a，b，

c，已知b?c，a2?2b2(1?sinA)，则A?

3ππ

（B）

43 ππ

（C）（D）

4 6

（A）

（11）执行如图所示的程序框图，则输出的结果为 （A）?1 （B）1（C）?2 （D）2

（12）设奇函数f?x?在??1,1?上是增函数，且f??1???1，

若函数f?x??t?2at?1对所有的x???1,1?都成立，

2

当a???1,1?时，则t的取值范围是

11

?t? （B）?2?t?2 2211

t?或t??或t?0 （D）t?2或t??2或t?0 （C）

22

（A）?

第Ⅱ卷

本卷包括必考题和选考题两个部分．第（13）题～第（21）题为必考题，每个试题考

生都必须作答．第（22）题～第（24）题为选考题，考生根据要求作答． 二、填空题：本大题共4小题，每小题5分．

????

（13）设向量a??x?1,2?，b??1,x?，且a?b，则x? ．

（14）已知???

π?3π????3??

,2??，且cos?????，则tan?????．

4?54????2?

x2y2

（15）已知椭圆2?2?1?a?b?0?的左、右焦点分别为F1，F2，上、下顶点分别是