关于口咽部的良性肿瘤，正确的是（）。 A.较小的肿瘤，可用激光、冷冻治疗 B.常见的

While  Tom and Mary were on holiday at the seaside, they enjoyed 36      seagulls(海鸥). They learned a lot about these 37           birds.

They will often come close to you on the beach when you are eating something. If you 38      a piece of bread to them, they will take it away quickly.

Seagulls swim well, but they do not often dive(潜水)for fish. They are 39      good at flying with their wings(翅膀)。When a seagulls is flying, It puts its legs 40    its body. Tom often watched them 41      close to the ground because he like the way they 42       the air with their wings and put 43       their feet before they touched the ground. Mary liked to see them flying over the  44       smoothly(熟练的) and quietly without their wings moving,  45       she said she didn’t like the noise they made.  

小题1:A seeing   B  looking   C to watch   D watching

小题2:A happily   B lovely    C lonely   D slowly

小题3:A throw    B ask     C  send   D  borrow

小题4: A neither    B too     C also    D  either

小题5: A under    B about    C on   D behind

小题6:A walking    B running   C  coming  D going

小题7: A helped  B win  C put   D beat

小题8: A up     B  down   C  out   D  in 

小题9: A trees    B  house    C  water   D ground 

小题10: A so     B  and   C  because  D  but

下列抗恶性肿瘤药物中，对骨髓造血功能没有抑制作用的是

A．植物碱类

B．激素类

C．抗生素类

D．烷化剂

E．抗代谢类

8259A多片级联时使用1CW3，写入主8259A和写入从8259A的ICW3的格式是不同的。例如，如果仅有一片从8259A的INT接到主8259A的IRQ2端，则主8259A的ICW3 =00000100B，从8159A的ICW3=______

蓄电池组进行充放电时应将负荷倒为（）带，充放电用（）装置进行。

目前国内矿山常用的有（）接杆式深孔凿岩机。