大学英语四级百度云网盘视频网课

该课程为=英语四级考试的教学视频课程，资料持续同步更新，以百度云网盘连接分享，可保存到你的网盘后在线播放学习，也可以下载到本地离线播放！

 

英语四级考试视频课程会更新考试结束为止！

包含班次：包含基础到后续的冲刺预测班的课程

包含内容：MP4视频+PDF讲义、PDF电子书

分享方式：百度云网盘连接分享

使用方式：可以保存到你的百度云网盘中在线播放，也可以用百度网盘进行下载，然后离线播放！

英语级视频网课讲义：

2013 年 12 月
23.
A) They haven't devoted as much energy to medicine as to space travel.
B) There are too many kinds of cold viruses for them to identify.
C) It is not economical to find a cure for each type of cold,
D) They believe people can recover without treatment.
24.
A) They reveal the seriousness of the problem.
B) They indicate how fast the virus spreads.
C) They tell us what kind of medicine to take.
D) They show our body is fighting the virus.
25.
A) It actually does more harm than good.
B) It causes damage to some organs of our body.
C) It works better when combined with other remedies.
D) It helps us to recover much sooner.
2014 年 12 月
22.
A) They are highly sensitive to cold.
B) They are vitally important to our life.
C) They are a living part of our body.
D) They are a chief source of our pain.
23.
A) It has to be removed in time by a dentist.
B) It is a rare oral disease among old people.
C) It contains many nerves and blood vessels.
D) It is a sticky and colorless film on the teeth.
18
 
24.
A) It can change into acids causing damage to their outer covering.
B) It greatly reduces their resistance to the attacks of bacteria.
C) It makes their nerves and blood vessels more sensitive to acid food.
D) It combines with food particles to form a film on their surface.
25.
A) Food particles.
B) Gum disease.
C) Unhealthy living habits.
D) Chemical erosion.
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英语级课程封面截图：