【单选题】They were pushed into battle ______.
【简答题】She realized that being unable to speak a foreign language was a major ________to her career. A) approval B) obstacle C) advantage D) bound
【单选题】The author's major conclusion about mistakes in foreign language learning is that ______.
A.
mistakes are not important in the process of learning a language
B.
learners are often very afraid of making mistakes
C.
making mistakes can help the learner discover the rules
D.
native speakers often do not tell foreign language learners about their mistakes
【单选题】Having been asked to speak at the convention __________ .
A.
some notes were prepared for Dr. Smith
B.
Smith prepared some notes
C.
The convention members were pleased to hear Dr. Smith
D.
Some notes were prepared by Dr. Smith
【简答题】the first sector to price products according to how much customers were prepared to spend
【简答题】李叔叔2005年第四季度收到的电子邮件数量如下表. 月份 十月 十一月 十二月 数量(件) 28 18 36 根据此表中的数据,完成统计图.
【判断题】分子中既含有碳又含有氢,所以碳酸是碳氢化合物。
【单选题】Saving language should be the major concern of any small community whose language is under threat.
【判断题】H 2 CO 3 分子中既含有碳又含有氢,所以碳酸是碳氢化合物。