“Surrender” means ______.
A.give off
B.give up
C.surround
D.surpass
A.give off
B.give up
C.surround
D.surpass
By this time, the World War II had ended in Europe. But the Japanese refused to surrender, the Americans decided that by dropping an atomic bomb on Japan, they could end the war quickly and save more of their soldier’s lives.
Soon after midnight on 6 August 1945, a bomb was dropped on the city of Hiroshima, a civilian target. No warning was given and there was total devastation. Almost all the buildings were destroyed and more than 100000 people died or were horribly wounded.
The Japanese military still did not want to surrender so three days later, the Americans dropped a second atomic bomb on the city of Nagasaki, killing 45000 people. The Japanese government was discussing ending the war when they heard the news of Nagasaki. Finally, they surrendered and the World War II came to an end.
At first, the scientists who had built the bomb were pleased that it had helped to end the war. However, many would come to realize that they had helped to create the most terrible weapon known to man.
The first atomic bomb ______.
A.was less powerful
B.was dropped in Nagasaki
C.was a failure
D.was tested in desert
A.withdraw
B.retreat
C.march
D.surrender
A.die, surrender
B.died, surrendered
C.dies, surrenders
D.died, surrendering
A、surrender
B、retreat
C、resign
D、abandon
E、defeat
Once people believed it was 19) that the human brain was fully developed by the age of three. According to this theory, teenager behaviors like risk-taking, a lack of sensitivity to how their actions 20)both themselves and others, increased aggressive deeds, 21) concentration and a negative attitude were thought to be due to bad parenting or changes in body chemistry.
However, new technology has allowed researchers to examine the healthy brain at work. What they have discovered is something 22) : Not only does the brain continue to grow beyond the age of three, but the research also23) that the brain of a teenager is larger than that of an adult.
As teen brains are 24) with chemicals during adolescence phase, the brain grows. However, only the cells that are used the most will 25) the competition within the brain. Those that are used less begin to die off until the brain reaches what will be its adult size.
The way that teens spend their time 26) influences which connections remain and which disappear. On the basis of this knowledge, experts advise parents to be 27) on how their teenagers spend their time. What teens do today will affect their brains for the rest of their lives.
A) diminished
B) demonstrated
C) alert
D) radical
E) surrender
F) survive
G) affirms
H) afford
I) affect
J) effect
K) soaked
L) soaped
M) sensitive
N) sensible
O) somehow