1.选择题- (共12题)
3.太阳能LED照明路灯主要由太阳能电池板、LED灯头等部分构成．LED是一种发光二极管，通过电流能够发光，可以把电能直接转化成{#blank#}1{#/blank#}能，太阳能是{#blank#}2{#/blank#}能源（填“一次”或“二次”）、清洁无污染．
4.某课外小组制作了一个测量物体质量的电子秤，其原理如图1所示．它主要由四部分构成：托板和水平压力杠杆OBA，标有“10V 5W”字样的指示灯L（灯的电阻保持不变），压力传感器R（电阻值会随所受压力大小变化的可变电阻），显示质量大小的仪表（实质是电流表）．已知电源电压为10V，OB=6cm，OA=30cm．压力传感器R的阻值与所受压力的关系如图2所示．若不计托板和杠杆组件的质量，不计摩擦．求：
5.当我们打开或关闭电灯时，旁边正在收听节目的收音机中会传出“喀喀”的杂音，说明导体中迅速变化的{#blank#}1{#/blank#}能够产生电磁波，电磁波{#blank#}2{#/blank#}（填“能”或“不能”）在真空中传播．
12.人们说“某家庭用了多少度电”中的“度”是{#blank#}1{#/blank#}的单位，如果电路中同时使用的用电器越多，总电流就越{#blank#}2{#/blank#}，容易引起火灾．
2.单项选择- (共13题)
13.
---Is there any _______ to the time about how long I can stay here?
---Yes, you must leave here before he comes back.
---Yes, you must leave here before he comes back.
| A．number | B．length | C．limit | D．matter |
14.
The student _____ from the training so much that he was _____ the first prize in the event.
| A．benefited; awarded | B．awarded; benefited |
| C．gained; earned | D．earned; gained |
15.
Mr. Baker, a number of students want to see you. _______ they wait here or outside?
| A．Should | B．Will | C．Could | D．Shall |
16.
You ______ be hungry already--- you had lunch only two hours ago!
| A．mustn’t | B．wouldn’t |
| C．can’t | D．needn’t |
17.
We must _________ expenses or we’ll be getting into debt.
| A．cut in | B．cut off | C．cut down | D．cut up |
18.
Last Sunday a few of us arranged to meet in town, but Jenny didn’t _______.
| A．give up | B．make up | C．turn up | D．take up |
19.
When she came several days later, she found that all things still _______ where she had _______ them.
| A．lay; laid | B．laid; laid |
| C．lay; lain | D．lying; lain |
20.
I like getting up very early in summer. The morning air is good _______.
| A．to be breathed | B．being breathed |
| C．breathing | D．to breathe |
21.
--- Are you pleased with what he has done?
--- Not in the least. It couldn’t be ___________.
--- Not in the least. It couldn’t be ___________.
| A．so bad | B．much better | C．any worse | D．the best |
22.
______ is often the case is that Tom doesn’t study hard and fails in passing an exam.
| A．That | B．What | C．It | D．As |
24.
Great changes __________ in this city over the past five years.
| A．took place | B．have been taken place |
| C．were taken place | D．have taken place |
试卷分析
-
【1】题量占比
选择题:(12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：1
5星难题：0
6星难题：8
7星难题：0
8星难题：4
9星难题：0