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Although the probe on Mars is not easy, America still insists it because
A.new technology and new ways are found to solve the problems
B.the probe can shed light on many big questions
C.the nations confidence can be strengthened through the probe
D.the nation has a restless desire to take on new challenges
答案
更多“Although the probe on Mars is not easy, America still insists it becauseA.new technology a”相关的问题
第1题
Although accidents do happen, skiers will be reasonably safe if______.
A．they stay on the officially approved slopes
B．they ski only for pleasure
C．they ski only on the unmarked ski slopes
D．they choose less crowded ski slopes
第2题
New Technique Promises Earlier Cancer Detection
A new technique could revolutionize the early detection of cancer, giving sufferers a greater chance of beating the disease, American scientists said. Researchers at the Massachusetts Institute of Technology have devised a novel method of(51)changes in the nucleus of cells in the earliest stages of the disease. "More than 85 percent of all cancers originate in the epithelium (上皮) that lines the internal surfaces of organs(52)the body. Although these are treatable(53)they are diagnosed in one of the preventable stages, early body damages are almost(54)to detect," said scientist Feld. "We present a new optical-probe (光学探子) technique based on light-scattering spectroscopy (分光镜检查) that is able(55)detect pre-cancerous and early cancerous cells in cell-rich epithelia," he added in a statement.
The new technique relies on the fact(56)cell nuclei change in the early stages of cancer and the differences scatter light in a characteristic way. Until now the changes were only detectable(57)a biopsy (活检) was taken, the scientists said. The new technique,(58)in the science journal Nature, can be used in conjunction with a routine cancer screening and surveillance technique which uses an endoscope (内窥镜)--a flexible optical probe(59)with cameras which is inserted into a cavity in the body--to check(60)cancers.
The scientists said they(61)their new technique in four different organs during routine endoscopic cancer screening. The tip of the optical probe was brought into contact with the tissue to be tested and the scattering of light was recorded without the need for any tissue to be(62), the scientists said. "Our results show that light-scattering spectroscopy has the potential to detect pre-cancerous body damages and pre-invasive cancers throughout the body. This technique should(63)improve the efficiency of cancer screening and surveillance," the scientists said. Cancer is one of the biggest(64)in industrialized countries.(65)to figures from the World Health Organization, 10 million people were diagnosed with the disease worldwide in 1997 and six million died.
A．stopping
B．accelerating
C．detecting
D．delaying
第3题
第一节 单项填空
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
Although the first part of this postmodern novel appears easy, the rest ______ rather difficult.
A．is
B．was
C．are
第5题
阅读理解：根据文章内容，判断正误。
A RED, RED ROSE
ROBERT BURNS
O, my love is like a red, red rose,
That is newly sprung in June.
O, my love is like the melody,
That is sweetly played in tune.
As fair are you, my lovely lass,
So deep in love am I,
And I will love you still, my Dear,
Till all the seas go dry.
Till all the seas go dry, my Dear,
And the rocks melt with the sun!
O I will love you still, my Dear,
While the sands of life shall run.
And fare you well, my only Love,
And fare you well a while!
And I will come again, my Love,
Although it were ten thousand mile!
操作提示：正确选T，错误选F。
1. The poet wrote this poem to express his love for his lover.{T; F}
2. It is implied in this poem that the author loved two lovers at the same time.{T; F}
3. The poet thinks his lover is as beautiful as a red rose.{T; F}
4. The poet believes love is permanent.{T; F}
5. The poet wants to write a piece of melody to express his love.{T; F}
第8题
A.essence
B.tendency
C.freight
D.target
