frog’s population
frog’s love lives
frog’s mating calls and living environment
the effects of human noises on frog
“No matter how successful he has become, my brother is still regarded as the black sheepof the family”. What does “the black sheep” mean here? ()A.A person who is very popular among his folksB.A person who is strongly disproved of by other membersC.A person who is always quiet and friendlyD.A person who will set the world on fire sooner or later
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23． What do you think of Mike?A． A person who is good at driving．B． A person who does well in drawing．C． A person who -likes drinking．D． A person who is good at writing．
The master ______ in delivering the goods to the consignee named in the bill of lading on production thereof，or to the first person who presents a properly indorsed bill of lading．A.justifiesB.justifiedC.is justifyingD.is justified
It may be that，under the contract，freight was made ______ to a third person．A.capableB.payableC.reasonableD.probable
The students who are not __________ with the progress they have made in their study willhave great success.A.content B.serious C.friendly D.popular
Psycholinguistics is the study of the mental processes that a person uses in producing and understanding language, and how humans learn （）.
单选题Jackie Robinson, the first Black American who was to play baseball in the majorleagues, joined the Brooklyn Dodgers in 1947.A the first and a Black American whoB was the first Black AmericanC the first Black AmericanD the Black American who first
