单项选择题

Scientists are now making plans to ____ Mars so that it will become possible for humans to live there.

A.transfer
B.form
C.reform
D.transform
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单项选择题
2019年是五四运动100周年，五四运动孕育了以爱国、进步、民主、科学为主要内容的伟大五四精神，其核心是()。
A.科学
B.进步
C.民主
D.爱国主义
单项选择题
They said he was _________ holding public office, so they decided to deprive him of his post.
A、irrelevant to
B、unaware of
C、inconsiderate of
D、incapable of
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