关于吗啡抑制呼吸的叙述错误的是A．肺通气量减少B．潮气量降低C．降低呼吸中枢对CO2

确定诊断的主要依据是

A．超声心动图

B．X线胸片

C．心电图

D．血清心肌酶

E．动态心电图检查

Passage Two

Which of the following statements is true according to the passage

A．Many people protested in the past six months.

B．Many people threw tomatoes at the German Chancellor.

C．Many people threw eggs at an important member of the German Chancellor’s Social Democrats.

D．Many people threw eggs at the German Chancellor, but he was not hit.

如果容积表使用不当,由此将引起0.4%左右的计量误差.

空头避险策略中，下列基差值的变化对于避险策略不利的是______。

A．基差值为正，而且绝对值变大
B．基差值为负，而且绝对值变小
C．基差值为零
D．基差值为正，而且绝对值变小

将所有同类产品储存在一起的传统式仓库是（）

A、存货单元式仓储

B、劳动密集式仓储

C、对接仓储

D、立体仓储