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【单选题】
引起动机的内在条件是 。A.
需要
B.
动机
C.
刺激
D.
强化
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【单选题】The most important step in developing an effective campaign, and the step which must come before all others, is to define the objectives of the campaign with greatest possible clarity. Does the compan...
A.
to select the best possible media
B.
to create a good environment
C.
to collect some information
D.
to define the objectives
【单选题】Which of the following best describes the organization of the passage?
A.
Step by step description of the evolution of marine biology．
B.
Discussion of chronological events concerning oyster production．
C.
Random presentation of facts about oysters．
D.
Description of oyster production at different geographic locations．
【单选题】The most important step in developing an effective campaign, and the step which must come before all others, is to define the objectives of the campaign with greatest possible clarity. Does the compan...
A.
to select the best possible media
B.
to create a good environment
C.
to collect some information
D.
to define the objectives
【单选题】Agriculture was a step in human progress ______ which subsequently there was not anything comparable until our own machine age.
A.
in
B.
for
C.
to
D.
from
【简答题】Which of the following is NOT mentioned as a step to control smoking?
【单选题】If r=-2 and p＜0, which of the following has the least value?
A.
4pr2
B.
2pr3
C.
-2pr4
D.
-4pr5
E.
-6pr6
【单选题】下列 关于茶叶的 说法错误的是
A.
正品茶叶中不允许夹有任何杂质，副品茶叶中不允许含有茶类杂质和非茶类杂质
B.
茶叶在仓库保管时温度不得超过 30℃，相对湿度在65%以下
C.
茶叶香气的鉴定方法有三：热嗅、温嗅和冷嗅
D.
茶叶的叶底是指浸泡后的茶叶
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