Children under 14 have no ____________ the building unless __________ by an adult.
A. access for; accompanied B. access to; having accompanied
C. access to; accompanied D. access for; having been accompanied
高二英语单项填空困难题
Children under 14 have no ____________ the building unless __________ by an adult.
A. access for; accompanied B. access to; having accompanied
C. access to; accompanied D. access for; having been accompanied
高二英语单项填空困难题查看答案及解析
1.He failed in the test for driving license, d_____ (尽管) practising all night.
2.Children under 14 must be _____ (陪伴，陪同) by an adult.
3.Recently, even going upstairs makes me out of b______.
4.I knew that she could give me some _____ (有用的，有益的) tips.
5.Brazil are ______ (追逐) their 6th championship of the World Cup in Russia.
6.It’s a r______ to have that burden lifted off one shoulders.
7.I have been so o______ with work that I haven’t had time for social activities.
8.The latest research into DNA has helped solve crimes by a_____ the suspect’s saliva.
9.Mum, you have ________ (缩水，变小) my pants.
10.He shouted, but meanwhile a train blew its whistle and ______ (淹没)his voice.
高二英语单词拼写中等难度题查看答案及解析
Thousands of villages in the developing world have no telephones. They have no money to build telephone systems. A new kind of technology may help change this situation. I t reduces the cost of building and using telephone systems.
Traditional systems use wires to carry electrical signals from one telephone to another. The wires often cost much more than telephones. The new system is based on radio communication. Each telephone sends and receives signals through the air, but not through the wires. This reduces the cost greatly. The radio telephone gets their power from the sun.
Each is connected to a solar equipment that changes the sun’s energy into electricity. A battery stores the electricity until someone needs to make or receive a call. The telephone turns off by itself if the level of power in the battery falls too low. This prevents damage to the system. Each radio telephone is connected to a computer microprocessor. It rewards how many calls are sent and received. It controls the power supply.
The technology needs more study, but its new use of radio equipment sun power and computers may help start telephone ringing in the other parts of the world.
68. The radio telephone gets their power from_____.
A. the sun B. electricity C. battery D. a special equipment
69. Each telephone is connected to_____.
A. a solar equipment B. a radio machine
C. a computer microprocessor D. Both A and C
70. From the passage we can infer that_____.
A. the new telephone system costs less than before
B. we can not use the radio as before
C. the new telephone system will take the place of the old one
D. it will be much easier to radio from now on
71. The main idea of the passage is_____.
A. a simple telephone system has been invented and costs less money
B. thousands of villages will use the new telephone system very soon
C. traditional telephone system will become useless
D. the new system will be too good to use
高二英语阅读理解简单题查看答案及解析
__ we have no disagreement on the plan, let's bring the discussion to an end.
A. Unless B. Until C. Although D. Now that
高二英语单项填空困难题查看答案及解析
We have no choice. _______ we go or we stay, the result is the same.
A．Once B．Unless C．Whether D．While
高二英语单项填空中等难度题查看答案及解析
----All the building materials have been washed away.
----So I have heard. But there was no sign ____ a heavy rain was on the way last night.
A. when B. that C. which D. if
高二英语单项填空困难题查看答案及解析
We have been told that under no circumstances _________ the office telephone for personal affairs.
A．can we use B．we can use
C．we use D．did we use
高二英语单项填空中等难度题查看答案及解析
No one can deny that it is ______ that many more residents could have been injured if the building had fallen at midnight.
A. particular B. curious C. likely D. fortunate
高二英语单项填空中等难度题查看答案及解析
—Have you finished the book？
-- No. I’ve read up to _____ the children discover the secret cave.
A. which B. what C. that D. where
高二英语单项填空简单题查看答案及解析
----Have you finished the book ?
----No, I’ve read up to _______ the children discover the secret cave. .
A．which B．what C．that D．where
高二英语单项填空中等难度题查看答案及解析