WTO规则规定,下列选项属于补贴的是:()
A、贷款的政府担保
B、政府放弃本应收取的收入
C、政府提供或购买产品和服务
D、歧视性的政府采购
参考答案:A, B, D
根据句意,用括号中所给单词的正确形式填空。
1. This book is mine. That book is _____ (you).
2. There are two _____ (library)in our school.
3. The students of Class 8 are all here except _____ (she).
4. Who are her favourite football _____ (play)?
5. He is strong because he does morning _____ (exercise)every day.
某溶液中可能含有SO42-、CO32-、Cl-。为了检验其中是否含有SO42-,除BaCl2溶液外,还需要的溶液是[ ]
A.稀H2SO4
B.盐酸
C.NaOH溶液
D.NaNO3溶液