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【简答题】
根据外的不同,一般可以将植物组织培养分为:植株培养、____培养、____培养、____ 培养、____ 培养和 ____培养。
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皮皮学刷刷变学霸
举一反三
【单选题】检测主机基座面板到轴系中心线高度的目的是为了()
A.
计算基座材料用量
B.
确定主机的高度位置
C.
确定主机垫片的厚度是否在规定范围之内
D.
检测基座制造精度是否超差
【简答题】A lady wanted a birthday gift from her husband. For many months she had liked a beautiful 1 , and knowing her husband could 2 it, she told him that was all she wanted. On the morning of the 3 , her hu...
【单选题】Please keep an eye on the kid and his dog( )are walking in the park.
A.
who
B.
which
C.
that
D.
those
【单选题】Mr. Black, you are becoming healthier and healthier. Please keep on ________ morning exercises.
A.
watching
B.
doing
C.
to watch
D.
to do
【单选题】Please keep on( ) if I didn’t answer the telephone.
A.
call
B.
to call
C.
called
D.
calling
【单选题】2-4.How many months does Chris have to live without a salary for a competitiveinternship at Dean Witter, a stock brokerage?
A.
five months
B.
six months
C.
seven months
D.
eight months
【简答题】A young man was getting ready to graduate from college. For many months he had 1 a beautiful sports car in a dealer’s showroom, and 2 his father could well 3 it, he told him that was all he want...
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