由_______个细胞构成的生物称为单细胞生物;由____个细胞构成的生物称多细胞生物。
一;多
下列经脉在耳颊部没有穴位的是
A.手少阳经
B.手太阳绎
C.足阳明经
D.足少阳经
E.足太阳经
All of the following are distress signals under the Rules EXCEPT().
A.International Code Signal AA
B.orange-colored smoke
C.red flares
D.the repeated raising and lowering of outstretched arms