According to Dr William Cohn, the artificial heart______.
A. mimics the action of the heart found in humans
B. provides the blood flow of a natural human heart
C. produces pulses by a continuous-pump mechanism
D. uses a small spinning turbine to keep blood flowing at a steady rate
查看答案
According to Steven, what is the best scenario of the issue？
A. That America, not Israel conducts the attack.
B. That people inside Iran overthrow the government.
C. That Iran gets its way.
D. That America wages a war on Iran and forces a regime change.
What is the main idea of the news item？
A. The mechanical breakdowns of artificial heart.
B. The first artificial heart implanted in a human chest.
C. Various types of artificial pumps have come into play.
Doctors achieve milestone using artificial heart with no beat.
Why doesnt Steven support an attack？
A. Because he loves peace.
Because the attack will certainly leave facilities unscathed.
C. Because Israel can"t afford such an attack.
D. Because the attack might be counter-productive.
Which of the following is NOT the background information of a possible attack on Iran？
A. US president is going to pay a visit to Benjamin Netanyahu.
B. Iran seems getting progress on a nuclear bomb.
C. There"s a presidential election in America.
D. It looks likely that Iran will retaliate if attacked.
微信支付 
支付宝支付