1.判断题- (共7题)
2.综合题- (共3题)

(1)假设A瓶内是某木本植物的一段茎尖,经过组织培养,长成了一株植物,这段茎尖可以叫_________,进行组织培养的依据是___________________。
(2)培养时瓶内结构应保持________条件。
(3)B瓶内的结构可称为________组织。
(4)由D瓶移栽到E盆前,要有几天的适应期,原因是___________________。
(1)在苗圃中,经常见到仙人掌上长着蟹爪兰,这是运用了_____________繁殖技术,这种技术成功的关键是将二者的_____________紧密地结合在一起。
(2)柑柄黄龙病是由严重危害柑橘类果树的黄龙病病毒引起的,这种病可以摧毁整个柑橘园。为了培育出“柑橘脱毒苗”,最有效的方法是进行_____________。
(3)人们常将葡萄的枝条剪成几段,每一段经过处理后将下端插入湿润、疏松、肥沃的土壤,过一段时间,枝条下端长出_____________,上端长出新叶,说明枝条成活。与利用种子繁殖相比,这种繁殖方式的优点是能够保持__________________________。

图A的繁殖方式是_______,_______、_______常用这样的繁殖方法;图B的繁殖方式是_______,_______、_______常用这样的繁殖方法;图C的繁殖方式是_______,_______、_______常用这样的繁殖方法。
3.单选题- (共3题)
4.选择题- (共3题)
News Review
Head-on Train Crash
On May 18,two trains had a head-on crash (正面相撞) near New York City. Over 250 people were on the trains then. About 60 people were hurt, but no deaths were reported.
Travel Time
Tourists came together to Mount Tai on May 1.Over 180,000 tourists visited the place of great interest during the three-day holiday, from April 29 to May 1.
Brave Volunteer
Liao Zhi, a dance teacher from Chengdu who lost her 1-year-old daughter and her legs in the 2008 Wenchuan earthquake, arrived in Ya'an 13 hours after the earthquake. The dancer said she had had a terrible time herself and knew what people needed most, so she decided to come and offer help.
Tomato Competition
A tomato competition was held in Huainan, Anhui Province, on April 16.The best tomatoes were chosen according to their shape, color and taste. The competition hoped to encourage the farmers to grow better tomatoes.
5.填空题- (共1题)
(1)实验变量是 。
(2)做出的假设是 。
(3)实验步骤:①准备20支生长良好的紫背天葵枝条,将它们剪成保留2个节的茎段,按要求处理茎段叶片和茎段上方切口。②将以上准备的茎段分成均等的两份,分别标上标签A与B。将A组的茎段下方切成 。将B组的茎段下方切成水平切口。③将两组的茎段按要求插入沙性土壤中,在 的环境条件下培育。
(4)观察记录:每天定时观察A、B两组的茎段看哪组先长出新叶,作好记录。
(5)预测结果得出结论(只需要写一种结果)并下结论:
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【1】题量占比
判断题:(7道)
综合题:(3道)
单选题:(3道)
选择题:(3道)
填空题:(1道)
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【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:2
5星难题:0
6星难题:3
7星难题:0
8星难题:8
9星难题:1