Even plants can run a fever, especially
when they are under attack by insects or disease. But (71)
humans, plants can have their temperature (72) from
3,000 feet away—straight up. A decade ago, (73) the infrared
(红外线的) scanning technology developed for military purpose and other satellites,
physicist Stephen Paley (74) a quick way to take the
temperature of crops to determine (75) ones are under stress.
The goal was to let farmers (76) target pesticide spraying
(77) rain poison on a whole field, which (78)
includes plants that don’t have the pest problem. Even better, Paley’s Remote Scanning Services Company could detect crop problem before they became (79) to the eye. Mounted on a plane flown at 3,000 feet (80) , an infrared scanner measured the heat emitted by crops. The A. as B. with C. like D. unlike [单选题]冰茶制作时冲泡用水的水温以( )为宜。
A.50℃ B.60℃ C.80℃ D.95℃ [单选题]巡线工作应由有电力线路()的人员担任
A.A.班长 B.B.工作经验 C.C.考试合格 [简答题]LKJ—2000型监控装置能记录哪些运行参数?
[单项选择]一男性患者,反复发作性肢体抽搐,从一侧手指开始,向腕部、手臂、肩部及半身扩展。可能是()
A. 肌阵挛发作 B. Jackson癫痫 C. 精神运动性发作 D. 单纯运动性发作 E. 失神发作 [多选题]非标准币主要指( )。
A.A.机币 B.B.假币 C.C.残币 D.D.外币 E.E.停止流通使用的人民币 [判断题]高层楼发生火灾后,不能乘电梯下楼。
A.正确 B.错误 [单项选择]哪项不属诊断性刮宫的适应证( )
A. 疑有宫内结核 B. 子宫异常出血 C. 月经失调 D. 不孕症 E. 疑有妊娠 [单项选择]新从病人分离的肠道杆菌菌落是()
A. R型 B. S型 C. R或S型 D. R和S型 E. 以上都不对 [单项选择]唐氏综合征患儿染色体核型标准型为()
A. 46,XX,-14,+t(14q:21q) B. 47,XX,+21 C. 45,XX,-14,-21,+t(14q:21q) D. 47,XXX E. 46,XX,-21,+t(21q:21q) 我来回答: 提交
|