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【单选题】
During the experiment,Gardner had trouble speaking clearly.A.RightB.Wrong
A.
During the experiment,Gardner had trouble speaking clearly. A.Right
B.
Wrong
C.
Not mentioned
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参考答案:
举一反三
【多选题】圆柱锥底发酵罐的特点有哪些()。
A.
该罐具有锥底,主发酵后回收酵母方便
B.
圆柱锥底罐是密闭罐,既可以作发酵罐,也可以作贮酒罐
C.
罐本身具有冷却夹套,但冷却面积能够满足工艺上的降温要求
D.
罐本身具有相当高度因此不适合上下对流
【简答题】(1)做一个底面直径是8cm,高是18cm的圆柱体茶叶罐,至少需要多少平方厘米的铁皮? (2)与这个茶叶罐等底等高的圆锥形茶杯能装多少毫升的水?
【简答题】The diagnosis seems in every case to correspond exactly with all the sensations that I have ever felt.
【单选题】Choose the correct words or phrases to complete the sentences. Nearly all trees have seeds that fall to the earth, take foots, and eventually ____. .
A.
generate new seeds
B.
new seeds generated
C.
generating new seeds
D.
new seeds are generated
【单选题】对于 2选1的MUX可以采用如下描述out1 = select ? input1: input2; 即 select=1时,输出为
A.
0
B.
1
C.
input1
D.
input2
【简答题】一堆煤成圆锥形,底面直径是6米,高是3米,把这些煤放进一个底面直径是3米的圆柱形煤罐里,高会是多少米?
【单选题】On modern farms, farmers need mostly all the followings EXCEPT______.
A.
farm science
B.
seeds
C.
fertilizers
D.
hard work
【简答题】要制作一个由同底圆锥和圆柱组成的储油罐(如图),设计要求:圆锥和圆柱的总高度和圆柱底面半径相等,都为 米.市场上,圆柱侧面用料单价为每平方米 元,圆锥侧面用料单价分别是圆柱侧面用料单价和圆柱底面用料单价的4倍和2倍.设圆锥母线和底面所成角为 (弧度),总费用为 (元). (1)写出 的取值范围;(2)将 表示成 的函数关系式; (3)当 为何值时,总费用 最小?
【单选题】骨肿瘤瘤段骨灭活与再利用的优点错误的是
A.
手术简便
B.
费用低廉
C.
无需考虑匹配
D.
被灭活的肿瘤细胞还可发挥免疫作用
E.
骨的重新修复过程中较少发生病理骨折
【单选题】Analyze the following code: // Enter an integer Scanner input = new Scanner(System.in); int number = input.nextInt(); if (number <= 0) System.out.println(number);
A.
If number is zero, number is displayed;
B.
System.out.println(number); must be placed inside braces;
C.
number entered from the input cannot be negative.
D.
If number is positive, number is displayed.
E.
The if statement is wrong, because it does not have the else clause;
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