对气单胞菌属生物学特性叙述正确的是
A.革兰阴性杆菌
B.革兰阳性杆菌
C.革兰阳性球菌
D.革兰阴性球菌
E.多数菌动力阴性
参考答案:A
----Little Daniel is watering the flowers! Why?
-----Well, I’m not feeling very well today—otherwise I it myself.
A.did
B.would do
C.have done
D.will have done
1,10,31,70,133,()
A.136
B.186
C.226
D.256