Peppeberg’s work with Alex was intended to prove that animals .

A． do have thoughts

B． can learn to speak

C． can become man's friends

D． do live long lives

[单选题]—It’s very ________ of you to work out the problem for me. 学科网 —That’s all right.—It’s very ________ of you to work out the problem for me.—That’s all right.A． kind B. clever C. necessary

[单选题]Look at the clock!It’s time _____work.A.we startedB.we’ll startC.we’re star

[单选题]22．Mary's parents work in ______ ．A． BeijingB． AmericaC． TianjinD． a factory

[单选题]This passage is intended to __________.A． discuss part-time jobs for students in generalB． encourage students to take up part-time jobsC． show the benefits of part-time jobs to students' studiesD． praise boys and girls who work part time

[单选题]The passage is intended to _____________A． warn us of the danger in the subwayB． show US how to save people in the subwayC． tell US about a subway rescueD． report a traffic accident

[单选题]The ad is mainly intended to .A． encourage the British to travel in ChinaB． attract the British to traditional Chinese foodC． offer service of booking air tickets to touristsD． provide the British with a better understanding of China.

[单选题]Nancy′ s gone to work but her car′ s still there. She __________ by bus.A.m

[单选题]D．on’t put off today’s work for tomorrow. I mean, today’s work _____ today.A． may do B. must do C. may be done D. must be done

[单选题]The passage is intended to advise people______.A．to make use of rubbishB．to save energy and waterC．to recycle reusable productsD．to have a green living

[单选题]The ( ) describes，in detail， the project′s deliverables and the work requir