[单项选择]A project manager learns that corrective action was implemented by a team member, but not documented. What should the project manager do NEXT

[填空题]A baby learns to _____ before it learns to walk.

[填空题]He learns in a school.

[简答题]import manager

[简答题]Today, every American school child learns Lincoln’s Gettysburg Address by heart.

[填空题]Jack learns English well. He is better than his classmates.
Jack learns English ______ in his class.

[单项选择]What does the sentence "A bird learns to sing and to fly rapidly at the right time... "(Para. 3) mean


A. A bird learns to sing and fly after twelve weeks.
B. A bird learns to sing and fly when it is old enough.
C. An infant learns to smile and make vowel-like sounds at twelve weeks.
D. A bird learns to sing and fly fast at a certain stage.

[简答题]If each of them learns to work for his team and not for himself on the football field, he will later find it natural to work for the good of his country instead of only for his own benefit.

[单项选择]The assistant manager had to ______ the manager while he was on a sick leave.
A. get through
B. take the place of
C. put up with
D. look for

[单项选择]Discourse theory of second language acquisition was developed from the______.

[单项选择]
Economists agree that the Wall Street crash of October 1929 heralded the Great Depression and by its dramatic effects on business, banking, and consumer confidence played a major role in worsening it. But many others agree that the crash was not the real cause of the economic turmoil. The severity of the Great Depression can be traced, at least on the American domestic front, to the impressive strength of the investment boom of the 1920s and to the vastly increased productivity of the agricultural sector in the aftermath of World War Ⅰ.
In the late 1920s there was a rapid rise in capital investment in the United States--both in productive industry and in the form of house building. The output of capital goods, that is, machinery and equipment used in the production process, rose by nearly a quarter between 1927 and 1929, and a great house-building explosion which had begun in 192
A. To reduce the economic uncertainty.
B. To increase the profits of shareholders.
C. To improve industrial efficiency.
D. To stop the economy from overheatin