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【单选题】
当变量x的值在[1,100]范围内时,下面的C#表达式返回值为“真”的是( )。A.
1<=x<=100
B.
x>=1||x<=100
C.
x>1&&x<100
D.
x>=1&&x<=100
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举一反三
【多选题】The F-layer of the cuticle cells is important in determining which of the following wool fibre properties?/ 鳞片细胞的F-层在决定下列哪项羊毛纤维性能是非常重要的?
A.
Fibre-fibre friction 纤维与纤维间的摩擦性能
B.
Fibre dyeing 纤维染色性能
C.
Fabric handle 织物手感
D.
Spinning performance 纺纱性能
【单选题】我国的创造学研究者根据奥斯本检核表法,综合我国的国情和青少年的特点,提炼出10个“聪明的办法”:加一加、( )、变一变、改一改、学一学、代一代、减一减、扩一扩、缩一缩、联一联。
A.
搬一搬
B.
移一移
C.
换一换
D.
叠一叠
【单选题】The outer layer of the cuticle cells is called the F-layer, which of the following best describe it?/ 鳞片细胞最外层是F-层,以下哪项对F-层的描述最准确?
A.
A protein rich in sulphur 含硫量很高的蛋白质
B.
A lipid material 油脂类物质
C.
A protein poor in sulphur 含硫量很低的蛋白质
D.
A crosslinked keratinous material 交联的角质
【简答题】Each strand of hair is made up of the_______, cortedx, and cuticle.
【单选题】Which part of the cuticle cell is most easily swollen in water?/ 鳞片细胞的哪一部分吸水后最容易膨胀?
A.
Epicuticle 外表皮层
B.
Exocuticle 次表皮层
C.
Endocuticle 内表皮层
D.
F‐layer F-层
【简答题】cuticle ( __ )
【单选题】Recent cladistic analyses of morphological and molecular data suggests that aschelminths that molt their cuticle are more closely related to ( ) than to other aschelminths.
A.
annelids
B.
arthropods
C.
cycliophorans
D.
platyhelminths
E.
cnidarians
【单选题】Some rotifers have a "shell" composed of a thickened cuticle, called the ( ), that functions in protection.
A.
test
B.
lorica
C.
ossicles
D.
periostracum
E.
umbo
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