He told me a piece of news, _____ terrible.A．I think it isB．I think which isC．which I think it isD．

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• Mum is coming. What present____ for your birthday?[ ]A. you expect she has got B. you expect has she
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• The radio set __ _ last week has been out of order.A．I bought B．I bought itC．which I bought itD．what
• - It’s said that it will be extremely cold this winter.-- ______, the majority of the experts predic
• —I don’t think the company may offer you a good pay.—__________，I won’t take the job.A．That is to sa
• These animals are all used to their environment,______, they have learned how to live successfully i
• It’s natural that I didn’t recognize her immediately I saw her. _______, it’s almost 5 years since w
• Maggie has been fortunate to find a job she loves,and __________,she gets well paid for it.[ ]A．soon
• --- Have you been to the Great Wall?--- Perhaps not in my memory. _________, it might have been duri
• She managed to be back on her feet and, , continued to look upon life as a positive experience.[ ]A.
• Things, ______is often the case, will turn out to be against one's wishes.[ ]A. whatB. asC. itD
• 茎有多种功能，下列不正确的是（）A．支持B．贮藏C．生殖D．保护-七年级生物
• -------What do you think of their marrage? -------___________ , if I were Kate, I would not marry hi
• —On the contrary, I think it is the mother, rather than her children, _________to blame.—I agree wit
• .I’m not sure whether everything can be added into my journal, such as my thoughts, or a commentary
• Those who are not admitted to university,, may attend some other courses or classes for adulthigher
• -- How do you like the movie? -- ______, it’s not exciting enough, though lots of money has been spe
• In the students’ eyes, Mrs Smith is a mother more than a teacher. she treats the students just like
• 将一根枝条插入滴有红墨水的瓶中，放在太阳下一段时间后，将枝条纵切开，用放大镜观察到被染成红色的结构是（）A．筛管B．导管C．形成层D．筛管和导管-生物
• 下列生物不能进行出芽生殖的是（）A．珊瑚虫B．马铃薯C．水螅D．酵母菌-八年级生物
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• 下图为某植物茎的结构示意图，请根据该示意图回答下列有关问题：（1）图中1所在位置主要含有起运输功能的结构是______；图中3所在的位置含有起运输功能的结构是______．（2）图中2-生物
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• 右图为一段木本植物的幼茎切面示意图，请分析回答：（1）写出图中序号所示结构或物质的名称：1，______2，______3，______4，______（2）若将一段带叶的鲜嫩幼茎浸入含有红墨水的水-
• 如图为一段木本植物的幼茎切面示意图，请分析回答：（1）写出图中序号所示结构或物质的名称：1、______2、______3、______4、______．（2）若将一段带叶的鲜嫩幼茎浸入含有红墨水的-
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• 剪取带叶的一段茎，插入红色的液体里．过一段时间，将茎取出，横切和纵切，可以看到染成红色的部分是（）A．髓B．木质部C．形成层D．韧皮部-生物
• Father is coming. What present________for your birthday?[ ]A. you expect he has gotB. you expect has
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• 木本植物的茎能够不断加粗，是因为有（）A．树皮B．木质部C．形成层D．韧皮部-生物
• 将带有叶片的枝条进行如图处理，过一段时间，把枝条切开，可观察到（）A．仅木质部被染红B．仅树皮被染红C．树皮和木质部都被染红D．树皮和木质部都不被染红-生物
• 玉米的茎不能加粗的原因是（）A．没有树皮B．没有形成层C．没有筛管D．没有导管-生物
• 把刚切下的一段带叶的枝条插在稀释了的红墨水中，一段时间后，用刀片横切茎，看到许多红色小圆点．小圆点及小圆点所处的部位分别是（）A．导管、韧皮部B．导管、木质部C．筛管、韧-生物
• 将一根带叶枝条插入滴有红墨水的瓶中，在阳光下照射几时间，叶脉微红后将枝条横切、纵切，可看到木质部的导管被染红了．放在阳光下照射主要是为了增强（）A．光合作用B．呼吸作用-生物