Between 4.5 and 3.8 billion years ago, the earth became so ______ that it was not clear whether the shape would last or not.
#19311
A
genuine
B
slight
C
solid
D
violent
推荐题目
There are plenty of jobs ___ in the western part of the country.
#18630
A
present
B
available
C
precious
D
convenient
__________lessons were not difficult.
#20470
A
Our few first short English
B
Our first few short English
C
Our few first English short
D
Few our first English short
Compared with other animals, snakes are believed to be below ____ in intelligence.
#17885
A
average
B
common
C
ordinary
D
usual
We will have a ______ holiday next week. What about going to Hainan?
#34978
A
five days
B
five-day
C
five-days
D
five-day’s
We should do what we can to save those_________ species, for example, the tiger, an animal which was considered_______ to humans.
#19509
A
dangerous; endangered
B
dangerous; in danger
C
endangered; in danger
D
endangered; dangerous