【Native Speaker每日综合训练—34系列】【34-12】科技

simonleo

补交speaker作业
Japan whaling not for scientific reason but for commercial reason and it must stop.

jokerking

spd :  1.45   1.07   1.59   1.59   1.43   
ob  :  5.01

planetandlucas

Time 2: the data shows that autism continues increasingly in the past period of time and these rise confuses researcher.(2:35)

Time 3: the arcle discuss about one new medichine wich may be used to conquer cancer. (1:26)

Time 4:  the paragraph intorduces one phenomena that is satrun-like rigns spotted around asteroid. (2:27)

Time 5:  the research acquires some new findings wich may help to explain some questions.  (2:42)

Time 6:  the article introduces one new device which can help heal and follow the sick of patient, and furthermore explain the theory of this machine.(2:19)

Obstacle: the article explains that bats will produce noises in the night in order to compete foods. Reseachers from different univerisities try to illustrate and explain this phenomeno.(5:26)

cyndichiang

Time2 2'43''
Recently, the rate of children who have ASD hs jumped 30%, data that raise concerns among parents and some associated professors. SS thought that a significant proportion increased cases are due to more sensitive diagnostic measures rather than increased incidence. So new data about proper diagnose are desperately needed.

Time3 1'59''
Taxol, a new drug can help deal with cancers. A experience shows that Taxol caused cells to make chromosomes in different directions. And the mechanism of paclitaxel is well-understood by doctors,doctors will use T better and make effective drugs.

Time4 2'57''
Scientists found that Saturn-Like rings encircled the asteroid. They observed C and found flickers but no rings, observation that is surprised. And some astronomers gave reason that the diameter of the outer ring is half of that of inner ring.

Time5 2'59''
Scientists found that the brightness of rings has dropped and is lowest in 2008 and they thought shifting view of the rings can help explain.
There are two different possibilities to explain how the rings are formed. Knowing that can help scientists to develop computer models about the rings.

Time6  2'13''
Scientists have created a wearable device as thin as taboo that can store information and deliver medicine.
The novelty need to store memory and thus many problems needs to be solved to make better this device:1. the power 2. the wifi tech to transmit information

Obstacle:4'39''
Bats use vocalization that cannot be heard by human-beings and they depend on echolocation to live
Scientists want to find how the bats communicate and whether they use echolocation to communicate.
But it is a tough task to observe bats and to do some field studies.
A observation shows that the male brown bats use  vocalizations to battle, but it is not a conclusion
Scientists think that knowing how bats communicate with each other can help well understand echolocation.

某葵

speed
[337 words] 2'12
[179 words] 1'38
[353 words] 2'56
[354 words] 2'46
[321 words] 2'25

铁板神猴

1'52''
1'00''
1'54''
1'56''
1'51''