The scientific research on how to protect the rare animals is ________. Many scientists are working hard to find new way to raise the animals by man.
#5782
A
in danger
B
in control
C
in order
D
in progress
推荐题目
—Can you hit that bird with your gun, Tom?—No！It is out of the ______of my gun.
#5795
A
length
B
aim
C
distance
D
range
While traveling, whether on business or for _____ , you often need to stay in a hotel.
#6565
A
pressure
B
pleasure
C
patience
D
purpose
The arrival of the European settlers had a great on the life of the Native Americans.
#5287
A
fault
B
change
C
effect
D
result.
None of them have regular and source of income and forced to live below poverty line.
#6328
A
safe
B
legal
C
secure
D
diverse
The selfless village doctor treated whoever came to his family without any .
#6026
A
charge
B
money
C
cost
D
price