下列有关图示的叙述中,正确的是()
A.图中有两条捕食链
B.狐与鸟之间既捕食又竞争
C.细菌占有第二、三、四、五营养级
D.体内含重金属最多的生物是狐
参考答案:A, D
既治病又治痴呆的方剂为()。
A.苓桂术甘汤
B.归脾汤
C.血府逐瘀汤
D.通窍活血汤
E.涤痰汤
The general manager demanded the job will be completed before the National Day.
A.would be completed
B.must be completed
C.had to be completed
D.be completed