中国植被分为几个植被型组（） A.8 B.9 C.10 D.11

We________ up by an alarm clock every morning.

A．wake

B．are waken

C．were waken

D．woke

关于咯血，叙述正确的有（）。

A.咯血量少者适当卧床休息，取患侧卧位

B.咯血前可出现上腹部不适，或伴有恶心、呕吐

C.咯血停止后进软食，忌用咖啡、浓茶等刺激性食品

D.大量咯血是指咯血量＞500ml/d，或一次咯血量达300～500ml

E.大咯血时可因血块堵塞大气管而致窒息或肺不张

危险化学品安全技术

硝化反应过程中，必须严格防止混酸与( )接触，避免因强烈氧化而发生燃烧爆炸事故。

A．钢铁、铝等金属

B．水

C．纸、棉、布、稻草等有机物

D．空气

Questions 14-23

Look at the ten statements for this part.
·You will hear a passage about "Great Transformation. ". You will listen to it twice.
·Decide whether you think each statement is right(R), wrong(W) or not mentioned(NM).
·Mark your answers on the Answer Sheet

Because of advancing technology, people are enabled to control all the other living things in the universe.

A．Right

B．Wrong

C．Not Mentioned

异形胞