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【简答题】
下片句句都在写思乡,哪句话最能体现词人的思乡之情?
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【判断题】简单引种与驯化引种的主要区别在于简单引种是在植物遗传适应范围内的引种,而驯化引种是在植物遗传适应范围以外的引种。( )
A.
正确
B.
错误
【单选题】在树种引种中,原产地与引种地应()
A.
生态环境相同
B.
生态环境相似
C.
日照、雨量相当
D.
温度、土壤一致
【单选题】Which pattern should we choose when we are to compare and/or contrast two subjects, both of which are very interesting?
A.
the point-by-point pattern
B.
the simdiff pattern
C.
the seesaw pattern
D.
the subject-by-subject pattern
【单选题】Which pattern should we choose when we are to compare and/or contrast two subjects, both of which are very interesting?
A.
The point-by-point pattern
B.
The simdiff pattern
C.
The seesaw pattern
D.
The subject-by-subject pattern
【单选题】Which pattern should be used when the writer intends to draw two pictures of both of the two subjects respectively?
A.
the Block Pattern
B.
the Seesaw Pattern
C.
the Simdiff Pattern
D.
All the three patterns can be used.
【简答题】某100mL硫酸溶液中含有0.1molH 2 SO 4 .试计算: (1)溶液中H 2 SO 4 的物质的量浓度; (2)向上述溶液中加入足量的铁粉,产生气体的体积(标准状况).
【单选题】原产某地的某种一年生植物a,分别引种到低纬度和高纬度地区种植,很多年以后移植到原产地,开花时期如图所示。下列分析不正确的是 [     ]
A.
自然选择决定生物进化的方向
B.
引种后原属于同一个物种的种群a、b和c之间形成了地理隔离
C.
移植到原产地的种群b和种群c个体之间已产生了生殖隔离
D.
移植到原产地的种群a和种群c个体之间已产生了生殖隔离
【判断题】由于南北方日照长短不同,当植物从南向北引种时,可适当提前播种。()
A.
正确
B.
错误
【简答题】根据植物引种栽植到新地区后的两种不同反应将引种分为()()。
【单选题】When pattern recognition is conceptually driven and first initiated by the whole pattern it would be considered to be:
A.
template matching
B.
prototype recognition
C.
"top-down" processing
D.
"bottom-up" processing
E.
featural similarity
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