Many countries are short ______ energy a

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问题选择题

Many countries are short ______ energy and water. [ ]

A. for

B. of

C. at

答案

答案：B

多项选择题

颈椎骨折脱位并截瘫的严重并发症有

A．呼吸道感染

B．心血管系统紊乱

C．泌尿系感染

D．褥疮

E．发热

填空题

Questions 26-30
Complete the following sentences using NO MORE THAN THREE WORDS for each gap.

A student can appeal a grade if it was given on a basis other than ______ performance.