Since we can't hear you at the back of the hall, you'll have to（）your voice.
500 systems are being deployed to remote locations. What tool on the remote systems can be used to automate the download and installation of fixes at the remote site?（）
At sea, we can use（）to fix the ship’s position.
The radar control used to reduce sea return at close ranges is the（）.
We had to learn chemical（）at school but I can only remember H2O for water.
You can use Oracle Flashback to look at past activity in your database. What are two other characteristics of Oracle Flashback？（）
You need to make a fixed loop at the end of a line in order to use the line as a mooring line. You have insufficient time to make a splice. Which knot should you use?（）.
An administrator plans to apply a fix pack to the PowerHA software using a rolling migration. At what stage ofthe migration is a cluster verification supported？（）
Refer to the exhibit. Look at the command output. What can you use to prevent this behavior？ （）https://assets.asklib.com/images/image2/2018072317480043501.jpg
What can be used to maintain the voice quality on a link by limiting the number of calls that can be active at any given time？（）
If we want to draw a closer relationship to our reader,we can use theyas what they have done here to create the effect.
We can point at our audience to catch their attention.
We can use hello to greet people in an informal situation.
What kinds of method we can use to plan our essay? ( )
We can use __________ to show cause-and-effect relations.
China is open to the world and tolerable with differences of every people. Thus we can use the idiom _________ to describe her.
7.We aim to do better at making use of the limitless power of the sun.( )
We can use special machines to detect ________money.
To express the time order, many signal words can be used:For beginning events: we cannot use ______.
Which of the following is the example we can use to explain an idea?
We can use emoticons or capitalized words and phrases in emails at will.
听力原文：Man: We work in a large open-plan setting which can be tricky at times with the sort of work we do. There are small meeting rooms where we can go to discuss things confidentially or where members of staff can talk to us in private. Of course, with the sort of information we keep, individual staff records and interview reports and so on, we have to be discreet at all time.
To persuade people, we can use the following phrases: ‘You can…’, ‘You can afford to…’, “You don’t have to…’, ‘It’s easy to…’.
All living things must fight to stay alive. They have to feed on something and at the same time avoid being eaten. Therefore they have to solve this big problem of staying alive in their own way. The danger of being eaten in the sea is great. Those plants and animals that do survive usually reproduce (繁殖 ) very fast and in great number. Certain sea animals have defensive device (装置 ) which help them to survive. The jelly fish have poisonous tentacles (触角 ) which are used for attack and defense. Another method of survival which sea plants and animals use is disguise (伪装. They usually have the same colour as their surroundings. In order to stay alive, animals need to have good senses. Fishes have sharp eyes. Almost all animals are sensitive to touch. Fishes judge movements in the water by means of their lines. Fishes and other sea animals can hear well and many of them can make different types of warning sounds.
