皮皮学，免费搜题
登录
搜题
【单选题】
According to the passage, primitive ocean life begins to evolve into complex organisms ______.A.
in the middle of December
B.
when Earth is cratered
C.
at the beginning of November
D.
when the land is still a lifeless waste
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The United States entered the war against Japan ______.
A.
because Japan declared war
B.
because Japan was an ally of Germany
C.
after Japan launched the Pearl Harbor attack
D.
after peaceful efforts had failed
【简答题】What is unusual about driving in Japan?People in Japan drive______.
【简答题】辛夷入药部位是（）。