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下面程序片断用于Android应用中运行时权限申请,请根据注释在空白划线处填写代码。 // 调用ContextCompat类的静态方法检查所需权限是否已授予 if(ContextCompat. (1)____________________(MainActivity.this, // 根据权限检查结果判断拨打电话权限是否没有被授予 Manifest.permission. CALL_PHONE) != PackageManager.(2)__________________){ // 调用ActivityCompat类的静态方法请求所需权限 ActivityCompat. (3)__________________ (MainActivity.this, // 为所申请权限创建字符串数组 (4)_____________{Manifest.permission.CALL_PHONE}, // 指定本次申请权限的请求码为1 (5)_____________); } else{ call(); }
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【单选题】所谓“循环经济”,是以产品清洁生产、资源循环利用和废物高效回收为特征的生态经济发展形态。其出现是与人类面临的人口膨胀、资源匮乏、环境污染等严峻问题相关联的。循环经济要体现“减量化、再利用、再循环”的原则。从这点出发,焚烧发电无疑是目前国际通用、也最有效的处理方式。据检测数据显示,焚烧可减少垃圾量80%~90%。经过焚烧,垃圾中的细菌、病毒比其他处理方式消灭得更彻底,各种恶臭气体被高温分解、对周边环...
A.
焚烧发电是如何体现“循环经济”的原则的
B.
世界上各国焚烧发电产业的发展情况
C.
焚烧发电处理废物的具体方式
D.
焚烧发电与“循环经济”的关系
【简答题】Paragraph2 sentence1: It is true that in the ancient period, the Silk Road served as a channel of trade and cultural exchange between the East and West, which may have allowed an awareness of the anci...
【单选题】In paragraph 1 sentence 2, “these building blocks” refer to _______________.
A.
machine elements
B.
devices, apparatus, and machinery
【简答题】Please refer to y Test 3, p87-88, Textbook. Identify the main idea for each paragraph and fill in the blanks with numbers(1/2/3/4...) that signify the main-idea sentences. The main idea of parag...
【判断题】电力是经济效率最高的能源品种,实现同样的经济产出,多用电更有利于节能。()
A.
正确
B.
错误
【单选题】The word 'labyrinth' in Paragraph 2 Sentence 1 is closest in meaning to
A.
maze
B.
series
C.
group
D.
system
【多选题】《里斯本条约》规定欧洲理事会的具体职责有:
A.
统领欧盟外交政策
B.
批准重要政治文件
C.
参与修约谈判
D.
任命欧盟委员会主席等
【简答题】paragraph 2 Sentence 2: Yet sport appears to play a more fundamental and deeply-rooted role in national culture and socio-political life in all social communities at all times. 1) Chinese translation ...
【单选题】In paragraph 1 sentence 2,“these building blocks”refer to______.
A.
machine elements
B.
devices, apparatus, and machinery
C.
devices, apparatus
D.
machinery
【单选题】In paragraph 3 sentence 2, “it” refers to ____________.
A.
the brake
B.
a wheel
C.
the shaft
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