小霞一家人开车去旅游，汽车行驶在平直的公路上，下列说法中正确的是（ ） A．汽车

题型：选择题

问题：

小霞一家人开车去旅游，汽车行驶在平直的公路上，下列说法中正确的是（　　）

A．汽车紧急刹车时，由于惯性小霞会向前倾

B．汽车发动机工作时主要是将机械能转化为内能

C．汽车在行驶过程中乘客使用安全带是为了减小惯性

D．在行驶过程中汽车的重力与路面对它的摩擦力是一对平衡力

考点：惯性现象
题型：选择题

关于人体的新陈代谢，下列说法正确的是（　　）

A．唾液淀粉酶能消化蛋白质

B．紧急情况下，可以给A型血病人输B型血

C．肺是人体气体交换的场所

D．人体肺动脉里流的是动脉血
查看答案
题型：选择题
阅读理解。
                                                     Coolest Hotels in the World
Ariau Amazon Towers
     The Ariau Amazon Towers hotel lets you sleep in a tree house. Eight towers make up this hotel that
offers over 300 rooms. If you really want to get into the spirit, the Tarzan Suite which is large enough
for big family. You'll thirty feet up in the air and can travel between the towers through their wooden
walkways.
     Prices starting at $300 one night for each person for a regular room and going all the way up to $3000
for the Tarzan Suite.
     For more information, visit the website: http://www.ariautowers.com
The Ice Hotel
     Every winter in Jukkasjarvi, Sweden, a special kind of hotel called the Ice Hotel is built. Each year,
world-famous artists are invited to design and produce works of art from the ice, many of which can
be found in the rooms. You'll have your choice between hot or cold rooms, but you will be well advised
to stay at least one night in a cold room for a true experience.
     Prices: starting $318 one night for each person for either a cold room or a warm one.
     For more information, visit the website: http://www.icehotel.com
     Propeller Island
     Propeller Island City Lodge is a very special hotel that was designed by a German artist. Each room
provides you with the possibility of living in a work of art. Every single piece of furniture in the thirty
rooms of the hotel has been hand-made and each room is completely different. You'll be able to choose
a room based on your own personal tastes.
     Prices: starting at just $91 a night, and an additional (另外) person for only 20 extra dollars.
     For more information, visit the website: http://www.propeller-island.com
     For information about other cool hotels in the world, visit the website: http://www.bahamabeachclub.com
1. What is special about the Ariau Amazon Towers hotel?
[ ]
A. You can sleep in tree houses.
B. You can choose any of the towers.
C. It is designed for big families.
D. Every room has a walkway.
2. For two persons spending a night in one of these hotels, they have to pay at least _____.
[ ]
A. $111
B. $182
C. $600
D. $636
3. Which website should you visit if you want to find out whether there exists a hotel under the sea? 
[ ]
A. http://www.icehotel.com
B. http://www.ariautowers.com
C. http://www.propeller-island.com
D. http://www.bahamabeachclub.com
4. Which hotel would invite artists to come to work every year?
[ ]
A. Propeller Island City Lodge.
B. Ariau Amazon Towers.
C. The Ice Hotel.
D. Bahama Beach Club.
查看答案
题型：选择题

现有温度相同的某物质的饱和溶液两份，其中一份的质量是另一份的4倍，分别将它们恒温蒸去259水，析出晶体的质量比是______．
查看答案
题型：选择题

摘要：处方：碳酸氢钠50g注射用水适量全量1000ml

下列注射液哪些不能用热压灭菌法？（）

A.0.9％氯化钠注射液

B.50％葡萄糖注射液

C.盐酸普鲁卡因注射液

D.碳酸氢钠注射液

E.复方乳酸钠注射液

F.维生素Ｃ注射液
查看答案
题型：选择题

体积膨胀系数
查看答案
更多题库

触屏版 | 网页版 | 题库网

Copyright © m.tikuol.com (粤ICP备2021010849号-1)