Why does the author mention Lincoln's axe？
A. To tell people that a simple tool can be repaired thoroughly.
B. To make people realize that immortality is not possible.
C. To illustrate the fact that the prospect of growing old is intolerable.
D. To suggest an anti-ageing approach that will reproduce itself.
查看答案
A．Signal to a school crossing patrol.B．Slow down or stop to let people cross.C．Overtak
A. Signal to a school crossing patrol.
B. Slow down or stop to let people cross.
C. Overtake other drivers for safety.
D. Watch out for a stop-children sign.
A．Her anxiety.B．Her mistake.C．Her excitement.D．Her success.
A. Her anxiety.
B. Her mistake.
C. Her excitement.
D. Her success.
The Robinson Deep mine in South Africa is ______ .
A. too deep to work in
B. too hot to work in
C. close to the centre
D. still in use
(28)
A. This kind Of tax on imported goods is unnecessary.
B. To practice economy, the government imposes a tax.
C. A tariff is recommended by our economists.
D. The tariff is a government tax on imported goods.
微信支付 
支付宝支付