[多项选择]Can you explain why people buy stock on margin

[多项选择] Can you tell me why you choose your particular career (What sparked your interest in your major How did you first get involved in your career What promoted your interest in fashion How did you first get involved in the design industry)

[多项选择] Can you tell us why you decided to learn English (Could you tell us which foreign languages you think will be most important in the future in China)

[填空题]

What presents can you buy in the village

[填空题]You can buy clothes there.

[单项选择]—Can you tell me why you learn English so well
—It’s very simple. ______ you work, ______ grades you will get.
A. The harder; the best B. Harder; better
B. The harder; the better

[简答题]{{B}}Can you tell me why you choose your particular career (What sparked your interest in your major How did you first get involved in your career What promoted your interest in fashion How did you first get involved in the design industry ){{/B}}

[简答题]{{B}}Can you tell us why you decided to learn English (Could you tell us which foreign languages you think will be most important in the future in China ){{/B}}

[填空题]Where can you buy things from all over the world in big cities In ______.

[单项选择]If you think money can’t buy you friends, think again. In the online world, it’s possible to purchase a crowd of fans. One thousand cost only $18 on average, according to estimates by Barracuda Networks, a network security company. Yet these friends won’t meet you for drinks after work. In fact, they don’t even exist. They are pixels on a screen.
A large share of social-media followers of the biggest companies are not human, believes Marco Camisani Calzolari, an entrepreneur and professor at Milan’s ILUM University. In a recent study he quantified the proportion of computer-generated fans or inactive users following big brands on Twitter. To decide whether a follower is human, Mr. Camisani Calzolari used various criteria, including the number of posts from a fan’s Twitter account and the use of correct punctuation in tweets. According to this research, by June 2011 nearly half of Twitter followers of computer maker Dell—about 700,000—were bots.
Some politicians also seem to h
A. can be bought
B. cost $18 each
C. are drinking friends D. are real people

[填空题]Why can you use technical terminology in the abstract
Because your readers are usually ______ your scientific discipline.