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【简答题】
2-1-2 Most companies set par value high and issue ordinary shares for a price below par value.
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反馈参考答案：
举一反三
【单选题】音频
A.
The channel needs to interview the boy.
B.
The boy should have called an expert.
C.
The boy's family had acted correctly.
D.
The site should have been protected.
【单选题】音频
A.
Many have become national chess champions.
B.
Most of them come from low-income families.
C.
A couple of them have got involved in crimes.
D.
Many became chess coaches after graduation.
【单选题】在任何一颗二叉树中,如果结点a有左孩子b、右孩子c,则在结点的先序序列、中序序列、后序序列中,( )。
A.
结点b一定在结点a的前面
B.
结点a一定在结点c的前面
C.
结点b一定在结点c的前面
D.
结点a一定在结点b的前面
【单选题】下列选项中，不属于国外典型音频轨道电路的是（ ）。
A.
日本 ATC 轨道电路
B.
美国开路式轨道电路
C.
德国 FTGS 轨道电路
D.
法国 UM 系列轨道电路
【单选题】音频
A.
Praise girls who like to speak up frequently.
B.
Encourage girls to solve problems on their own.
C.
Insist that boys and girls work together more.
D.
Respond more positively to boys’ comments.
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