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【简答题】
苹果虫子 题目描述 你买了一箱n个苹果,很不幸的是买箱子里混进了一条虫子。虫子每x小时能吃掉一个苹果,假设虫子在吃完一个苹果之前不会吃另一个,那么经过y小时你还有多少个完整的苹果? 输入 输入仅一行,包括n,x和y(均为整数)。输入数据保证y <= n * x。 输出 输出也仅一行,剩下的苹果个数 样例输入 50 6 20 样例输出 46 提示 使用ceil函数
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举一反三
【单选题】Which of the following should be criticized about assessment?
A.
Assessment should assess language in many different contexts.
B.
Assessment should assess the learning environment， instruction and students.
C.
Assessment should assess the use of language in listening， speaking， reading and writing process.
D.
Assessment should assess results uniquely.
【单选题】Which one of these statements is NOT true about peer assessment?
A.
Peer assessment allows students to give feedback and make recommendations. Peer assessment allows students to learn how to apply quality criteria.
B.
Peer assessment allows students to understand the diversity of individuals.
C.
Peer assessment allows students see the strengths and weaknesses of their own PEP.
D.
Peer assessment allows students to punish other students.
【简答题】 3个电阻 R 1 =300 Ω ,R 2 =200 Ω ,R 3 =100 Ω , 串联后接到U=6V的直流电源上。试求:(1)电路中的电流;(2)各电阻上的电压降;(3)各个电阻所消耗的功率。
【单选题】Which of the following information is NOT the basis of assessment?
A.
The course documents.
B.
The student’s work.
C.
The student's self-assessment sheets.
D.
The teacher's observation notes on the achievement of the student's linguistic ability.
【多选题】在AutoCAD中，可以通过以下方法激活一个命令：
A.
在命令行输入命令名
B.
单击命令对应的工具栏图 标
C.
从下拉菜单中选择命令
D.
鼠标右击，从快捷菜单中选择命令
E.
从面板中选择命令
【多选题】which areFunding mechanisms and research assessment exercises,
A.
STI
B.
Research Assessment Exercise
C.
Bijzonder Onderzoeksfonds
D.
PRFS
【单选题】 在下图所 示 电 路 中,电 源 电 压 U = 6 V。若 使 电 阻 R 上 的 电 压 U 1 = 4 V,则 电 阻 R 为( ) 。
A.
2 Ω
B.
4Ω
C.
6Ω
【多选题】Which of the following one is included in the post emergency environmental assessment?( )
A.
Assessment of the loss value caused by environmental emergencies
B.
Assessment of the cause of environmental emergencies
C.
Assessment of the response of each department after environmental emergency
D.
Assessment of the environmental impact of environmental emergencies
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