OECD countries include
A: U.S
B: U.K.
C: China
D: Brazil
A: U.S
B: U.K.
C: China
D: Brazil
举一反三
- 夸克模型是（）。 A: u、d、k B: d、k、s C: k、s、u D: u、d、s
- 夸克模型的构成是（）。 A: d、k、s B: k、s、u C: u、d、s D: u、d、k
- Which of the following countries is the world’s top polluter, at present, in almost all respects A: Brazil B: China C: Sudan D: Afghanistan E: Zimbabwe
- Which countries reached an agreement at a United Nations conference A: The United States, China, India, Brazil and South Africa. B: The United States, China, Japan, Brazil and South Africa. C: The United States, China, India, New Zealand and South Africa. D: The United States, China, India, Brazil and Kore
- There is a map [u] [/u] China [u] [/u] the wall. A: of, in B: of, on C: at, in D: of, of