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【单选题】
要实现虚拟现实效果,哪一项设备不是必须设备?A.
头戴式显示设备
B.
定位设备
C.
高性能数据处理设备
D.
录像设备
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【单选题】II. Choose the best topic sentence from the groups blow.
A.
City life is also convenient.
B.
With these attractions, we feel lucky to live in a city.
C.
In fact, in a city there are many places for the citizens to go for entertainment, such as theaters, parks, and recreational areas.
D.
Generally speaking, there are many attractions of living in a city.
【单选题】II. Choose the best topic sentence from the groups blow.
A.
There are different types of social worker careers.
B.
A social worker can help a child find a home.
C.
A mental health social worker helps people deal with depression.
D.
A medical social worker helps people with diseases.
【单选题】II. Choose the best answers. As students, we _________ study hard.
A.
can
B.
may
C.
must
D.
could
【简答题】Task 1 / Overview Summarize the main idea of each paragraph of Text A Para Main idea 1 2 3 4 5
【单选题】II. Choose the best topic sentence from the groups blow.
A.
A breakthrough in one of these areas will hopefully provide a means of relieving both the overstretched oil market and the environment.
B.
Researchers in the automobile industry are experimenting with different types of engines and fuels as alternatives to the conventional gasoline engines.
C.
One new type of engine, which burns diesel oil instead of gasoline, has been available for several years.
D.
.Finally, several automobile manufacturers are experimenting with methanol, which is a mixture of gasoline and methyl alcohol, as an automobile fuel.
E.
A further type is the gas turbine engine, which can use fuels made from gasoline, diesel oil, kerosene and other petroleum distillates.
F.
The increasing depletion of oil reserves, along with environmental concerns, have prompted some radical developments in car design over the past few years.
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