假设检验中，若P＜0.05，下列结论正确的是A．接受无效假设，拒绝备择假设 B．差异

失重既所谓的“自然损耗”，包括（）两方面的损失。

A.水分干物质

B.蛋白质

C.脂肪

D.碳水化合物

— _____ won the 100th gold at the Olympics for China?

— Zhang Yining. She's from Beijing. [ ]

A. Who

B. What

C. When

D. Where

--Jack had prepared for the game for such a long time. We all thought he ________ it.

-- What a pity! He ________ too nervous when playing it.

A．would have won；had been

B．could have won；must be

C．could have won；was

D．would have won；has been

电子式国债在发行期和业务禁止期内不可以办理（）。

A.司法冻结

B.司法解冻

C.司法强制兑付

D.电子式国债司法过户

理想流体