期货交易的双向机制使期货交易具有高收益和高风险的特点。()
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当一事物存在时,其自身已经包含着自我肯定和自我否定的因素,这些因素构成了事物自我发展的内在基础。 ()
A. 正确
B. 错误
女,48岁,左侧乳房肿痛、肿块半年,月经前痛加重,过后缓解,腋窝淋巴结不大,可能的诊断是
听力原文:W: What time does your bus leave for the office in the morning?
M: It leaves at 6:30, except on Fridays when it leaves thirty minutes later.
Q: What time does his bus leave on Fridays?
(5)
A. 7:00.
B. 6:45.
C. 6:30.
D. 6:00.