Read the passage.
dreams
by langston hughes
hold fast to dreams
for if dreams die
life is a broken-winged bird
that cannot fly.
hold fast to dreams
for when dreams go
life is a barren field
frozen with snow.
in this poem, the two sections of underlined text are
themes.
main ideas.
summarizing statements.
supporting details.

Which piece of evidence would best support reason #1? othe history of using animals for research extends asfar back as 322 bce, when early greek physician-scientists, such as aristotle and erasistratus,performed various experiments on living animals.animal research played an essential role in thedevelopment of herceptin and tamoxifen, twomedications that have already saved the lives ofthousands of women who have been diagnosed withbreast cancer.even those who believe in testing on animals when it is hnecessary for vital medical research practice what isknown as "the 3 rs-reduction, refinement, andreplacement to reduce the number of animals usedfor testing.biologists believe that chimpanzees share at least 98.4percent of the same dna as humans and gorillas shareat least 97 percent, making primates a popular andlikely choice for the testing of products intended for humans

What role should teachers play in creating tolerance environment for students?

Do eilinor and marianne each end up with the best husband possible? give reasons for your answer.