小题1:Who (谁) lost a watch?

A．Betty

B．Jim

C．Bruce

D．David小题2:Is the ring Betty’s?

A．Yes, it is.

B．No, it isn’t .

C．Yes, this is

D．No, it is David’s.小题3:What color is Jim’s new watch?

A．Green.

B．White.

C．Black.

D．Red.小题4:Who can you call for the backpack?

A．Betty

B．Jim

C．Bruce

D．David小题5:What’s Bruce’s phone number?

A．678- 4219

B．892- 0231

C．708- 5209

D．291-2084

如图所示，控制电路的错误接线不能使电动机M起动。要使M起动并能连续运转，且具备过载保护、失压保护、短路保护的功能，正确的接线是下列哪种？（）

A.A

B.B

C.C

D.D