孕28周时胎儿身长及体重(正常妊娠)分别是： A．35cm，1000g B．45cm

以下哪项最有助确定上述病因

A．头CT

B．重复神经电刺激

C．依酚氯铵试验

D．血清钾

E．疲劳试验腰穿新斯的明试验AchR抗体滴度测定

慢性毒性试验一般依亚慢性毒性试验的LOCEL来确定，以其1/100为哪个剂量组（）

A.高剂量组

B.中剂量组

C.低剂量组

D.对照组

E.溶剂对照组

同义句转换。    

1. This road is 10 kilometers long. That road is 200 kilometers long.      

This road is                                       that one.    

2. Jim is the tallest boy in his class.      

Jim is                                                              in his class.    

3. The weather in China is not the same as that in Australia.      

The weather in China is                     that in Australia.    

4. There are more than fifty students in our class.      

There are       fifty students in our  class.    

5. Liu Li looks like her sister Liu Ying.      

Liu Li and Liu Ying                                  

下列属于联合国提出的关于崭新的学习理念是[ ]

A．探究学习

B．自主学习

C．终身学习

D．合作学习

炙甘草汤中用量最大的药物是

A．炙甘草

B．人参

C．桂枝

D．生地黄

E．阿胶