单选题Form_A invokes Form_B in Post-Only mode. Which statement must be true?（）A Form_A has updates or deletes that have not been posted or committed, and Form_A invokes Form_B with the OPEN_FORM built-in. B Form_A has updates or deletes that have not been po

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单选题

Form_A invokes Form_B in Post-Only mode. Which statement must be true?（）

Form_A has updates or deletes that have not been posted or committed, and Form_A invokes Form_B with the OPEN_FORM built-in.

Form_A has updates or deletes that have not been posted or committed, and Form_A invokes Form_B with the CALL_FORM built-in.

Form_A has inserts that have not been posted or committed, and Form_A invokes Form_B with the OPEN_FORM built-in.

Form_A has inserts that have not been posted or committed, and Form_A invokes Form_B with the CALL_FORM built in.

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第1题：

Perhaps the experiment _____ by this time tomorrow.

A、has been done

B、will have been bone

C、will do

D、would have done

参考答案：B

第2题：

Every book except these two ( ).

A、have sold

B、have been sold

C、has sold

D、has been sold

参考答案：D

第3题：

Never before in China ________ for the farmers.

A.has so much been done

B.have so much been done

C.has been done so much

D.so much have been done

参考答案：A

第4题：

Which three route filtering statements are true?()

A. After the router ospf 10 and passive - interface s0/0 commands have been issued , the s0/0 interface will not send any OSPF updates, but will receive routing updates on that interface

B. When you use the passive - interface command with RIPv2, multicasts are sent out the specified interface

C. After the router rip and passive -interface s0/0 commands have been issued, the s0/0 interface will not send any RIP updates, but will receive routing updates on that interface

D. When you use the passive - interface command with EIGRP, hel lo messages are not sent out the specified interface

E. After the router eigrp 10 and passive - interface s0/0 commands have been issued, the s0/0 interface will not send any EIGRP updates, but will receive routing updates on that interface

F. When you use the passive - interface command with OSPF, hello messages are not sent out the specified interface

参考答案：C, D, F

第5题：

What you saw can' t have been an aeroplane. I' m convincedit____ a large bird.

A.must be

B.has been built

C.must have been

D.could have been

参考答案：A

第6题：

She knows the city quite well.She ( ) there before.

A、must have been

B、might go

C、has gone

D、had been

参考答案：A

第7题：

Millions of pounds’ worth damage ______ by a storm which swept across the north of England last night.

A has been caused

B had been caused

C will be caused

D will have been caused

参考答案：A

第8题：

Millions of pounds’ worth of damage ( ) by a storm which swept across the north of England last night.

A. has been caused

B.have been caused

C.will be caused

D.will have been caused

参考答案：A

第9题：

The sharp hearing of a fish _______ by two scientists.

A.have been proved

B.have proved

C.has proved

D.has been proved

正确答案:D

第10题：

The person who signs the bill of lading without the authority of the Shipowner stating that goods have been shipped，and they have in fact not been shipped at all，______ liable to an indorsee of the bill of lading，who has relied on that statement，for damages for breach of warranty of authority．

A.have

B.has

C.are

D.is

正确答案：D

单选题Form_A invokes Form_B in Post-Only mode. Which statement must be true?（）A Form_A has updates or deletes that have not been posted or committed, and Form_A invokes Form_B with the OPEN_FORM built-in. B Form_A has updates or deletes that have not been po

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