关于红骨髓的描述，下列哪项是正确的A．位于成人骨髓腔内 B．不存在骨松质内 C．胎儿 发布时间：2017-12-07 11:11 │ 来源：www.tikuol.com 题型：单项选择题 问题： 关于红骨髓的描述，下列哪项是正确的A．位于成人骨髓腔内B．不存在骨松质内C．胎儿时期造血，成年后不造血D．胸骨、椎骨内终生保持红骨髓E．骨密质内充满了红骨髓
题型：单项选择题 甲股份有限公司(以下简称甲公司)欲收购乙上市公司(以下简称乙公司)。如果甲公司实施对乙公司的收购行为，下列各项中，与甲公司构成一致行动人的有()A、甲公司的母公司B、与甲公司同时受控于A公司的丙公司C、持有甲公司35%的股份，且同时持有乙公司5%股份的丁某D、甲公司的董事长张某的亲姐姐，其持有乙公司1%的股份 查看答案
题型：单项选择题 阅读理解。 Trip 1 One Week in the Mountains Bring your strong shoes and warm clothes for this walk in a beautiful area of the Green Mountains. You may go hiking or have a try of rock climbing. This is also a protection area for wild animals. You can find many kinds of animals living in this area. Time: May 8-May 14 Tel: 64639818 Adult: $110 Child: $55 Trip 2 Three Days in the country There are many beautiful gardens. Take your camera and enjoy the wonderful sight in Hunter Valley. It is a good place for fishing and horse riding. Bird lovers can also enjoy a great walk. Time: May 20-May 22 Tel: 63986423 Adult: $50 Child: $25 Trip 3 Flashlight Adventure Put on your warm clothes, bring a flashlight(手电筒), and come for a night walk along the Dungog Valley. It's a trip full of Adventure. A guide will lead the tour. Many of the plants you will see on this trip can only be seen at night. Time: May 16-May 18 Tel: 63875629 Adult: $30 Not for children Trip 4 Five Days by the Sea Wear your sunhat and enjoy wonderful sunshine all the time from morning to evening. Our hotel is next to the sea. We have our own boats, too. You can swim in the sea or in the swimming pool. Every day our boat will take you to different places for swimming. Time: May 23-May 27 Tel: 67538293 Adult: $80 Child: $40 1. If you and your friends want to enjoy the sunshine at the seaside, you can call______. [ ]A. 67538293 B. 63875629 C. 64639818 2. How much does Sam have to pay if he wants to stay in Hunter Valley with his wife and his five-year-old son? [ ]A. $75 B. $100 C. $125 3. David can take part in ______from May eighth to May fourteenth. [ ]A. hiking in the mountains B. fishing in the country C. swimming in the sea 4. ______tells people that children can't take part in this kind of trip.[ ]A. Trip 1 B. Trip 2 C. Trip 3 5. Which of the following is NOT mentioned according to the four ads?[ ]A. B. C. 查看答案
题型：单项选择题 以下图所示的甲、乙两图分别表示氯化钠在水中的溶解度曲线，丙图表示硝酸钾在水中的溶解度曲线，丁图表示氯化钠在某有机溶剂中的溶解度曲线．请将甲图分别与上述其它曲线对比，回答下列问题．（1）由甲、丁得出：影响固体物质溶解度的因素是______．（2）由甲、丙得出：影响固体物质溶解度曲线陡斜程度的因素是______．因此欲除去硝酸钾中的少量氯化钠，可采用______方法．（3）由甲、乙得出：______也会影响固体物质溶解度曲线的陡斜程度． 查看答案
