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【单选题】
Which of the following statements is TRUE?A.
The Erie Canal connected Lake Erie and the Hudson River.
B.
Economists are for the opinion that places where farming is done are good for making raw materials into finished goods.
C.
Wagons drawn by homes or oxen soon proved better and cheaper than canal transportation.
D.
The coming of the railroads caused New York to become less important as a shipping center.
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反馈参考答案：
举一反三
【单选题】单片机复位后,SP、PC、I/O口(P0、P1、P2、P3)的内容为( )
A.
SP=00H PC=1000H I/O 口=FFH
B.
SP=00H PC=0000H I/O 口=00H
C.
SP=07H PC=0000H I/O 口=FFH
D.
SP=07H PC=0000H I/O 口=00H
【多选题】妨害公共安全的行为包括
A.
非法携带枪支弹药或者匕首等国家规定的管制器具。
B.
损毁公共设施、标志设施
C.
妨害航空安全、铁路行车安全
D.
饲养动物、干扰他人正常生活
【简答题】practical adj. 实际的 →________ adv. 实际地,事实上 → ________ n. 实践 → ________ v. 练习
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