类风湿关节炎，正确的摄影体位是
A. 双手正位
B. 单侧腕关节正位
C. 双侧腕关节正位
D. 单手正位，包括腕关节
E. 双手正位，包括腕关节
She got very angry ______ the sight of her husband walking with another woman.
A. by
B. at
C. on
D. of
检查氯化物时，应在酸性条件下进行，选用的酸应是
A. 硝酸液
B. 硫酸液
C. 盐酸液
D. 稀硝液
E. 稀硫酸
Which of the following statements about fast food is tree according to the passage
A. Fast food is nutritionally balanced.
B. Fast food can supply you enough protein and vitamins.
C. Fast food prevents people from being over-weight.
D. Fast food provides people more than enough sugar and salt.
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