2723-2log23×log218=33×23-3×(-3)=9+9=18
故答案为:18
句型转换。
1. The boy is on the city basketball team.(改为同义句)
The boy is _______ _______ _______the city basketball team.
2. He would like to play basketball with us.(改为一般疑问句)
_______ he _______ to play basketball with us?
3. They can play the piano. (就画线部分提问)
_______ can they_______?
4. There is a birthday party on Saturday.(就画线部分提问)
_______ there a birthday party?
目前诊断沙眼衣原体感染最可靠的办法是()。
A.细胞培养
B.DNA探针
C.连接酶链反应
D.ELISA
E.荧光显微镜寻找包涵体