题目内容
(请给出正确答案)
[主观题]
Life forms that cannot keep up with the newest species on the block will always risk extin
ction,____________(除非他们适应新的挑战).
提问人:网友chbiao
发布时间:2022-01-07
The prices _____ up all the time and no one knows when it will become stable. |
[ ] |
A. had gone B. have been going C. have gone D. had been going |
A、it makes it difficult for firms to customize their product offerings .
B、price wars make it hard to compete with differentiators.
C、it costs more than a differentiation strategy because of the necessity of high capital investments.
D、powerful buyers are a major threat.
E、it reduces customer retention.
____ the tower building,where you see the whole city. |
[ ] |
A. Standing on the top of B .If you climb to C. When you reach the top of D. Get to the top of |
Is this factory _____ you and your mother visited the day before yesterday? |
[ ] |
A. that B. which C. the one D. where |
A、Alkaline denaturation
B、Protease
C、Exonuclease
D、Heat
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