皮皮学，免费搜题
登录
搜题
【单选题】
8 位二进制数的无符号数表值范围为?A.
0 ～ 255
B.
-128 ～ +127
C.
-127 ～ +127
D.
-128 ～ +128
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】_____________itis in the center of the city, the hotel is not very expensive.
A.
Although
B.
Because
C.
Before
【简答题】左表为某健康人血浆、原尿、尿液的成分及含量（单位：克/100毫升）．右图示肾单位的结构．请分析图 标回答问题． 主要成分 A B C 水 90 98 96 蛋白质 8.00 0.03 0.00 葡萄糖 0.10 0.10 0.00 无机盐 0.72 0.72 1.10 尿素 0.03 0.03 1.80 （1）分析数据可知：表中A、B、C三种液体分别是：A______；B______；C_____...
【简答题】看图填空。 1. What is it? It is _____________. Where is it? It is _____________. 2. What is it? It is _____________. Where is it? It is _____________. 3. What is it? It is _____________. Where is it? ...
【单选题】The job market has changed and our to finding work must change as well.
A.
way
B.
method
C.
means
D.
approach
【简答题】若数列{a n }满足a 1 =1， a n + a n+1 = ( 1 4 ) n （n∈N * ），设 S n = a 1 +4 a 2 + 4 2 a 3 +…+ 4 n-1 a n ，类比课本中推导等比数列前n项和公式的方法，可求得 5 S n - 4 n a n =______．
【简答题】肾上腺表面有结缔组织被膜，实质由周围的皮质和中央的髓质构成。皮质来自中胚层，腺细胞具有分泌类固醇激素细胞的结构特点；髓质来自外胚层，腺细胞具有分泌含氮类激素细胞的结构特点。皮质由外向内分为球状带、束状带和网状带。球状带细胞分泌盐皮质激素；束状带细胞分泌糖皮质激素；网状带细胞主要产生雄激素，也可以产生少量糖皮质激素和雌激素。髓质细胞分泌肾上腺素和去甲肾上腺素。
【单选题】A house may serve many purposes, but its main __________ is to provide shelter. [ ]
A.
rank
B.
approach
C.
function
D.
theme
【单选题】Itis necessary, of course, that the prices of the books _____ are written forchildren ______by 50%.
A.
which are lowered
B.
that is lowered
C.
what should lower
D.
that be lowered
相关题目：