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【T1】 A. OUT OF B. RURAL C. TO PROTECT A. WORKING【T1】______ THEIR URBAN FOREST B. TREES TAKE POLLUTION【T2】______ THE AIR C. BUT YOU ARE NOT IN【T3】______ AREA YOU ARE STANDING IN A BEAUTIFUL FOREST IN JAPA N. THE AIR IS CLEAN AND SMELLS LIKE PLANTS AND FLOWERS. THERE ARE 175 DIFFERENT KINDS OF TREES, AND 60 KINDS OF BIRDS LIVE HER E.【T4】______ YOU ARE DOWNTOWN IN THE CITY OF NARA, JAPAN, IN KASUGAYAMA FOREST, THE OLDEST URBAN FOREST IN THE WORL D. CITIES AROUND THE WORLD ARE【T5】______ SOME URBAN FORESTS ARE PARKS, AND SOME ARE JUST STREETS WITH A LOT OF TREES. BUT ALL URBAN FORESTS HAVE MANY GOOD EFFECTS ON THE ENVIRONMENT.【T6】______ THEY ALSO STOP THE NOISE FROM HEAVY TRAFFI C.
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【单选题】实现时钟信号控制的最简单的方式是采用是()。
A.
JK触发器
B.
同步RS触发器
C.
主从RS触发器
D.
D触发器
【多选题】关于力对点的矩的说法,正确的是()
A.
力对点的矩与力的大小和方向有关,而与矩心位置无关
B.
力对点的矩不会因为力沿其作用线移动而改变
C.
力的数值为零或力的作用线通过矩心时,力矩均为零
D.
互相平衡的两个力,对同一点之矩的代数和等于零
【简答题】How does the man feel about tasting the soup? a. interested b. scared 2. How do you know? a. His voice rises. b. His voice sounds nervous. 3. How does the man feel after he tastes the soup? a. a...
【单选题】Unfortunately he could not ______ the danger at that time.
A.
prepare
B.
presume
C.
perceive
D.
prevail
【单选题】分析电路图,下列说法正确的是哪一个?【图片】
A.
从电路结构上看,是主从触发器;从触发方式看,是边沿触发器;从逻辑功能看,是RS触发器。
B.
从电路结构上看,是主从触发器;从触发方式看,是电平触发器;从逻辑功能看,是RS触发器。
C.
从电路结构上看,是时钟触发器;从触发方式看,是电平触发器;从逻辑功能看,是RS触发器。
D.
从电路结构上看,是主从触发器;从触发方式看,是边沿触发器;从逻辑功能看,是JK触发器。
【简答题】动能是(__)量,它的SI单位是(__)
【单选题】He lowered his voice _____ she couldn't hear.
A.
so that
B.
in order to
C.
for that
D.
result that
【多选题】下列网站访问统计指标中,()属于网站流量指标。
A.
独立访问者数量
B.
每个页面的平均访问时长
C.
用户访问高峰期
D.
每个访问者的页面浏览数
【单选题】He got to the cinema at last but ____ he couldn't find his ticket. [     ]
A.
seriously
B.
unfortunately
C.
fortunately
D.
unluckly
【简答题】Unfortunately he found he ____________(毫无相同之处) with his twin brother.
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