首页
登录
职称英语
Scientists who believe cell phones are dangerous have been throwing out hypo
Scientists who believe cell phones are dangerous have been throwing out hypo
游客
2023-11-17
33
管理
问题
Scientists who believe cell phones are dangerous have been throwing out hypotheses to explain away the negative results. Maybe something about the【1】animals raised their rates of cancer or sperm problems, so【2】the exposed animals didn’t seem to be harmed. Maybe the studies should have used pulsed,【3】radiation rather than a continuous beam, the better to【4】the way we actually use mobile phones. Maybe it matters【5】the lab animals are zapped【6】in a device like a Ferris wheel or while【7】around in cages. On the other hand, if these details do【8】, maybe that in itself is significant.
Scientists who【9】claims that cell-phone radiation is causing an epidemic of brain cancer【10】that there isn’t any mechanism.【11】textbook biophysics, only radiation that has enough energy to ionize molecules—that is, knock off electrons—can【12】cancer. Cell phones don’t【13】energy great enough to ionize molecules in living cells. Their【14】is "far below the cancer energy threshold,"【15】physicist Robert Park of the University of Maryland, who often【16】junk science. But whenever he makes that【17】in his What’s New e-newsletter, he gets【18】with angry responses insisting there are other ways low-energy radiation can【19】"I don’t like cell phones and I don’t like writing about cell phones," says Park,【20】the damned issue just won’t go away. " [br]
选项
A、run
B、running
C、wander
D、wandering
答案
B
解析
词义辨析题。正当在笼子里跑的时候,而不是“闲逛”。
转载请注明原文地址:https://tihaiku.com/zcyy/3194098.html
相关试题推荐
Therearehiddenfactorswhichscientistscall"feedbackmechanisms".Noo
Therearehiddenfactorswhichscientistscall"feedbackmechanisms".Noo
Therearehiddenfactorswhichscientistscall"feedbackmechanisms".Noo
Therearehiddenfactorswhichscientistscall"feedbackmechanisms".Noo
Therearehiddenfactorswhichscientistscall"feedbackmechanisms".Noo
Therearehiddenfactorswhichscientistscall"feedbackmechanisms".Noo
Therearehiddenfactorswhichscientistscall"feedbackmechanisms".Noo
Therearehiddenfactorswhichscientistscall"feedbackmechanisms".Noo
Therearehiddenfactorswhichscientistscall"feedbackmechanisms".Noo
Therearehiddenfactorswhichscientistscall"feedbackmechanisms".Noo
随机试题
关于骨髓穿刺,正确的说法是A.抽出骨髓的瞬间有特殊感觉 B.镜下见到浆细胞组织
测试中肌肉耐力的度量应能综合()指标。A.重量 B.频率 C.持续
多年来的医学和心理学研究一致表明心理社会因素对个体的健康有着十分重要的影响。现代
天南星具有祛风止痉的功效,善于治疗的病证是A.肝阳上亢,肝风内动病证 B.热极
蟾酥的常用量是A.0.015~0.03g B.0.01~0.015g C.0
A.药物非临床研究质量管理规范 B.药品注册管理办法 C.实施批准文号管理的
A.停止手术,给予缩宫素和抗生素 B.静脉注射阿托品1mg C.全身抗生素治
2006-118.食滞胃脘证与胃脘气滞证的共同表现有 A.脘腹胀满疼痛B.恶
以下消化系统常用药物中,不易透过血一脑屏障的有A.西咪替丁 B.东莨菪碱 C
根据《建设工程监理规范》(GB/T50319-2013),属于专业监理工程师职
最新回复
(
0
)