David Jacobsen was（ ）.
Why do the sales of energy drinks slow down?（ ）
It can be inferred that guarana and taurine（ ）.
What is the passage about?（ ）
How does Red Bull work as an energy-booster?（ ）
In Mozambique today Chissano（ ）.
Only 40% of the energy converted in power generation is useful.
IPad sales have fallen by 18%, that is, 21.4 million.
The rescue workers for the capsized South Korean ferry failed to find the passengers on board.
Nearly $66 billion was spent on online shopping except travel in 2004.
Peter, who was considered more than a writer, published his book on April 2.
Compared with those in rich countries, adults in developing countries are more likely to deposit money.
The world's animal population has decreased by 50% in the past 4 decades.
There is a causal relationship between stable prices and table economies, just like that between inflation and bad economy.
Since there is no equality between the two sexes, women tend to live a longer life.
Why does the woman want to keep traveling?（ ）
MANAGER: Jeff, on your （ ）, you list your current occupation as"musician. "JEFF: Well, as you probably know, it's pretty hard to make a living as a （ ）.
MANAGER: I see. But, uh, I'm a little concerned that your music and your college classes may （ ） with your responsibilities in the office. JEFF: Well, it's true that I work （ ） a lot, but this job is only in the afternoons, right?