题目内容
（请给出正确答案）
What is the discovery made in the early 1970s？
A．If the cell is unable to fight the oncogene which has become active, then cancer results.
B．How a dormant oncogene is activated.
C．Why an oncogene is inactive in normal cells.
D．How cosmic rays cause cancer.
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更多“What is the discovery made in …”相关的问题
The investigation group tried in ______to discover what caused the failure of the engine.
A．diligence
B．vain
C．vigor
D．zeal
The passage says that until recently scientists disagreed with the idea ______.
A．that there are mysterious forces in the universe
B．that man cannot discover what forces "really" are
C．that there are serf-evident principles
D．that we can discover why things behave as they do
She tried to probe my mind and discover what I was thinking.
A．solved
B．explored
C．involved
D．exploded
ay to discover truth.
A.ln case of
B.Regardless of
C.ln the event of
D.Despite of
What did the researchers discover in northern Kenya？
A．A human tooth.
B．A human skull.
C．Three species of humans.
D．Three human fossils.
What did the customer discover？
A．He has already paid for the order.
B．He was charged twice for the same product.
C．The delivery company delivered the item to the wrong address.
D．The book is out of print and no longer available.
The practical scientist______.
A．is a philosopher
B．is interested in the unknown
C．knows the value of what he will discover
D．knows that the world exists
A．diligence
B．vain
C．vigor
D．zeal
The practical scientist ______.
A．is a philosopher
B．is interested in the unknown
C．knows the value of what he will discover
D．knows that the world exists
A.in case that
B.now that
C.so that
D.provided that
