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Exactly when the first people arrived in __1__ as California, no one really knows．
Scientists believe that these first setters crossed the Berlin Strait from Asia to Alaska __2__ of a land bridge．
Thousands were killed or __3__ slavery．__4__, many __5__ brought by Europeans．
Cloning has two __6__．Firstly, Secondly, it is valuable for research on __7__ and for medical research on animals．Many __8__ to clone mammals failed. But at last the __9__ of the scientists was rewarded in 1996 __10__— the cloning of Dolly the sheep．
查看习题详情和答案>>Exactly when the first people arrived in __1__ as California, no one really knows．
Scientists believe that these first setters crossed the Berlin Strait from Asia to Alaska __2__ of a land bridge．
Thousands were killed or __3__ slavery．__4__, many __5__ brought by Europeans．
Cloning has two __6__．Firstly, … Secondly, it is valuable for research on __7__ and for medical research on animals．… Many __8__ to clone mammals failed. But at last the __9__ of the scientists was rewarded in 1996 __10__— the cloning of Dolly the sheep．
查看习题详情和答案>>----Where shall we go first?
--- According to _____ schedule of the journey, firstly, we’ll visit ____ temple the guide told us.
A. a; a B. the; a C. a; the D. the; the
查看习题详情和答案>>
--- Where shall we go first?
--- According to _____ schedule of the journey, firstly, we’ll visit ____ temple the guide told us
- A.a; a
- B.the; a
- C.a; the
- D.the; the
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On the first day of my school life in the USA, I showed a great interest in my marketing class. My | ||||
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