丙型肝炎传播途径错误的是（）
A.输血
B.使用血制品
C.静脉吸毒
D.污染的诊疗器械
E.直接接触
参考答案：E
如果资本可以自由流动，那么冲销性外汇干预（）。
A.只能用于法定贬值；
B.只能用于法定升值；
C.比非冲销性外汇干预有效得多；
D.不能将汇率保持在平价水平。
In each of the following groups of words, there are four underlined letters or letter combinations marked A, B, C and D. Compare the underlined parts and identify the one that is different from the others in pronunciation. Mark your answer by blackening the corresponding letter on the Answer Sheet.（）
A. book
B. moody
C. look
D. cook
