苏云金杆菌的芽孢能通过害虫破损的消化道进入血液，在血液中苏云金杆菌得以大量繁殖，

以下哪种行为不属于“乱用关键字”（）

A.犀利哥推荐正品T恤

B.李宁/耐克/阿迪运动鞋

C.特步运动鞋

D.正品女鞋比ONLY更好

下列事例中，哪个措施是为了增大摩擦[ ]

A．自行车的中轴内装有滚珠

B．自行车的把套上做出凹凸花纹

C．给自行车的中轴加入润滑油

D．气垫船行驶时在船体与水面间形成高压空气层

平面构成有哪些基本形式？

Questions 9-13

·You will hearfive people giving reasons why children learn their mother tongue so well.
·Before you listen, read the list of statements, five of which are summaries of what they were saying.
·Then listen carefully and match the statements (A-F) with the people who said them (9-13) respectively.
·There is one extra statement that you don’t need to use. You will hear the passage twice.
9. Maggie: ______

• A. The time of their learning the mother tongue is the most
  favorable of all.
  10. Cherry: ______
• B. Children hear their native language spoken always in its
  genuine form.
  11. Mike: ______
• C. Children have private lessons all the time to learn their mother
  tongue.
  12. Hazel: ______
• D. Children hear their native language spoken in all possible
  situations.
  13. Jody: ______
• E. Children have special teachers to teach them.
• F. Children have flexible organs and sensitive ear.

下列关于浓缩红细胞错误的是（）

A.浓缩红细胞提供携氧能力，靠适当的血容量和心脏功能来维持氧的输送

B.红细胞压积低于30%或血红蛋白100g/L不再作为输血指征

C.很多慢性病患者能耐受70～80g/L或低于此水平的血红蛋白浓度

D.在有明显心肺疾患，尤其是冠状动脉疾病的患者，增加心输出量可造成心肌缺血

E.体重70kg的成人，每单位浓缩红细胞通常可使红细胞压积提高3%～5%