【单选题】石细胞呈马蹄形增厚或三面增厚的生药是()
【简答题】The examples of the Challenger and Chernobyl cited by the author serve to show that ________. A) if not given close examination, technology could be used to destroy our world B) technology is a human ...
【简答题】如何划分部门,应遵循什么原则?有哪几种方法?
【单选题】These examples show that openness and the ability to change brings couples a giant step closer to the marital harmony they ______.
【单选题】The examples of the Challenger and Chernobyl cited by the author serve to show that ______.
A.
if not given close examination, technology could be used to destroy our world
B.
technology is a human creation, so we are responsible for it
C.
technology usually goes wrong, if not controlled by man
D.
being a human creation, technology is liable to error