21. How many embroidery styles are mentioned in the passage?

A. 　 going to work abroad

B. 　 changing jobs frequently

C. 　 being promoted in position

D. 　 pursuing an advanced degree

A. 　 other than

B. 　 rather than

C. 　 better than

D. 　 less than

A. 　 a great many

B. 　 plenty of

C. 　 a large number of

D. 　 a few

A. 　 must

B. 　 need

C. 　 can’t

D. 　 could

A. 　 God seemed to speak more highly of the bamboo seed.

B. 　 God compared the two plants to human life.

C. 　 God was trying to let the author see his future through what happened to the bamboo seed.

D. 　 God proved the fruitful result of never quitting.

A. 　 Government investment does not meet school＇s needs.

B. 　 Skilled students are moving for private schools.

C. 　 Qualified teachers are far from adequately paid.

D. 　 Training of students＇ basic skills is neglected.

A. 　 will take place

B. 　 were taken place

C. 　 have taken place

D. 　 took place

A. 　 until

B. 　 while

C. 　 although

D. 　 because

A. 　 that; more touching

B. 　 what; less touching

C. 　 that; more touched

D. 　 which; less touched

A. 　 Living in a “smart” city will be far from you.

B. 　 People live in a “smart” city.

C. 　 Buildings turn off the lights for you.

D. 　 Self-driving cars will find the nearest parking space themselves.