Life arose during the ( ).
A: paleozoic
B: mesozoic
C: cenozoic
D: cambrian
E: precambrian
A: paleozoic
B: mesozoic
C: cenozoic
D: cambrian
E: precambrian
举一反三
- The Mesozoic era is the age of "middle life" on Earth
- The passage indicates that the Creiaceous period occurred（） A: in the early part of the Mesozoic era B: in the middle part of the Mesozoic era C: in the later part of the Mesozoic era D: after the Mesozoic era
- Drama arose from ________. A: comic things in life B: kings' birthday celebration C: primitive rituals D: harvest celebration
- They invented many things during their __________(life).
- The conflict between the two political groups that arose during the meeting was not______; these groups have often opposed each other on these key issues.