图所示结构,当I2不变,I1增大时支座反力X1(绝对值)将()。
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债权让与是指 ()
A. 债的客体的变更
B. 债的标的的变更
C. 债的内容的变更
D. 债的主体的变更
(30)
A. To get a little exercise.
B. To take in some fresh air.
C. Hoping to get something to eat.
D. To visit the rich owner.
Section A
Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversation and the questions will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A, B, C and D, and decide which is the best answer.
(12)
Attending the party.
B. Visiting some friends.
C. Studying for an exam.
D. Taking an exam.
避免行人雪后跌伤而清扫路面的行为属于无因管理。 ()
A. 正确
B. 错误