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【单选题】
在质量体积、平均密度和运动方向等方面与地球极为相似的行星，称为类地行星，下列属于类地行星的是（）A.
火星
B.
土星
C.
木星
D.
天王星
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举一反三
【简答题】“Come in, Kim. Have a seat, please,” said Bill Williams, the manager. This was Kim's first experience with an assessment. After only six months he was due for a raise if this assessment was satisfacto...
【多选题】关于淋溶对除草剂应用的影响,其中描述正确的有:
A.
除草剂下渗，除草效果下降
B.
在利用位差选择性使用除草剂时，由于淋溶导致药剂下渗至作物种子所在土层，易造成作物受害
C.
淋溶使除草剂进入土壤下层积累并污染水源
D.
通过水分上升，使除草剂移向土表，进而随水分蒸发而挥发于空气中
【单选题】Why is it that Zimbabwe's tourism industry does not care too much about tourists'experiences there?
A.
They do not have enough expertise to carry out the investigation needed.
B.
They are busy making money from the tourism industry.
C.
They don't think environmental sanity is a serious issue there.
D.
They never have access to western media like TIME magazine.
【单选题】What is Hennessy’s attitude towards those who succeed at everything they do?
A.
Positive
B.
Negative
C.
Neutral
【单选题】Hennessy’s experience to take part in research when he was an undergraduate shows that .
A.
the earlier the students start to do research, the more likely they are to become distinguished scientists
B.
Stanford is not only an educational institution but also a research university
C.
participating in research may be a rewarding and joyful experience for students
【多选题】婴儿的动作发展对于心理发展的意义包括（ ）。
A.
动作发展是心理发展的源泉或前提
B.
婴儿动作是心理发展的外部表现
C.
婴儿动作发展促进了空间认知的发展
D.
婴儿动作的发展促进了社会交往能力的发展
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