1.选择题- (共15题)
6.椅面的支撑框架如图所示，其中腰型滑槽两端为半圆孔，孔心距为 L，滑槽和椅子后支撑脚的安装孔使用内六角螺栓连接，椅子脚的局部视图及尺寸如图所示，要实现椅面高度六档可调，腰型滑槽的长度 L最小应不小于 ( )
椅面结构 |
椅子支撑脚局部视图 |
7.椅面的支撑框架如图所示，其中腰型滑槽两端为半圆孔，孔心距为 L，滑槽和椅子后支撑脚的安装孔使用内六角螺栓连接，椅子脚的局部视图及尺寸如图所示，要实现椅面高度六档可调，腰型滑槽的长度 L最小应不小于 ( )
椅面结构 |
椅子支撑脚局部视图 |
8.如图所示是号称世界上最小的手电棒MBI，采用了当下最流行的锂电池技术，直径为3毫米，长度为20毫米，比普通的火柴还要小巧。其表面采用了橡胶材质，拿起来非常的舒服。手电棒的底部采用了磁铁设计，可以很容易地粘贴在物体的表面。它的开关设计也非常的巧妙，你需要轻轻地触碰头部就可以实现开关。关于该设计以下说法不正确的是：（ ）
9.如图所示为一款名为biolite野外小火炉。该小火炉不仅可以烧水、做饭，还可以为手机、应急灯等充电。该产品的设计研发涉及多种基础科学原理，使用干的小树枝等为燃料，相对传统的火炉，该火炉更加环保和高效。下列关于该小火炉的说法中不恰当的是（ ）
10.如图所示为一款名为biolite野外小火炉。该小火炉不仅可以烧水、做饭，还可以为手机、应急灯等充电。该产品的设计研发涉及多种基础科学原理，使用干的小树枝等为燃料，相对传统的火炉，该火炉更加环保和高效。下列关于该小火炉的说法中不恰当的是（ ）
11.如图所示为一款名为biolite野外小火炉。该小火炉不仅可以烧水、做饭，还可以为手机、应急灯等充电。该产品的设计研发涉及多种基础科学原理，使用干的小树枝等为燃料，相对传统的火炉，该火炉更加环保和高效。下列关于该小火炉的说法中不恰当的是（ ）
2.单项选择- (共13题)
16.
—Can you describe a distinctive characteristic of this animal?
—Its neck can be extended ________ of its body.
—Its neck can be extended ________ of its body.
| A．more than twice the length |
| B．twice more than the length |
| C．more than the length twice |
| D．more twice than the length |
17.
It is universally believed that a student with an extremely ________ mind usually gets high scores in the exams, especially in the physics exam.
| A．sharp | B．shallow | C．narrow | D．awful |
18.
Smiling doesn't ________ mean you're happy.Sometimes, it just means that you're strong enough to face problems.
| A．fortunately | B．eventually |
| C．deliberately | D．necessarily |
19.
—In early autumn Steve applied for admission to college.He wanted to go ________ but to Cornell University.
—Oh, why not Harvard?
—Oh, why not Harvard?
| A．anywhere | B．nowhere |
| C．everywhere | D．somewhere |
20.
—Hello! Friendship Hotel.Can I help you?
—Do you have a room with a double bed ________ for Saturday?
—Do you have a room with a double bed ________ for Saturday?
| A．available | B．empty | C．possible | D．useful |
21.
The newcomer is quite ________ to office work.Why not offer her some practical tips?
| A．familiar | B．fresh | C．similar | D．sensitive |
22.
________ his strength failed and he dropped behind in the race.
| A．Quietly | B．Actually |
| C．Practically | D．Gradually |
23.
To tell the truth, what you said was too ________ for us to understand.
| A．complex | B．comfortable |
| C．concrete | D．common |
24.
In order to be a strong partner with the AsiaPacific region, American President Obama thinks it is ________ to have a strong relationship with China.
| A．vital | B．potential | C．specific | D．awkward |
25.
Doctors often advise us to pay more attention to our diets and mental health and to take ________ examinations.
| A．relevant | B．regular | C．adequate | D．accurate |
26.
Though you've got a tight schedule these days, I should be ________ if you could spare time to attend our meeting today.
| A．concerned | B．fascinated |
| C．grateful | D．determined |
27.
--- May I speak to Mr. Smith？
--- I am afraid not. He is at a meeting now. It's not _____________
--- I am afraid not. He is at a meeting now. It's not _____________
| A．reliable | B．convenient |
| C．beneficial | D．available |
试卷分析
-
【1】题量占比
选择题:(15道)
单项选择:(13道)
-
【2】：难度分析
1星难题：0
2星难题：0
3星难题：0
4星难题：0
5星难题：0
6星难题：13
7星难题：0
8星难题：0
9星难题：0