混凝土强度随水灰比的增大而降低,呈直线关系。

题型:判断题

问题:

混凝土强度随水灰比的增大而降低,呈直线关系。

考点:材料科学建筑工程材料建筑工程材料题库
题型:判断题

单词拼写(共10小题,每小题1分;满分10分)

66. The boy lifted the stone with all his _______(力量).                                              66. ______________

67. “You did a bad job!” She ________(叹息).                                                                 67. ______________

68. She is not s________enough to wear these tight trousers.                                 68. ______________

69. Children are always full of c______; they want to know everything.        69. ______________

70. What will happen if you do not eat a b_______ diet?                                             70. ______________

71. Several factors had c________ to ruin our plans.                                          71. ______________

72. Your work is far from ________(满意).                                                                      72. ______________

73. Children are taught several rules to avoid ______(溺水) in the river.      73. ______________

74. The tradition has its o_________ in the Middle Ages.                                           74. ______________

75. The stones on the playground were placed in the s___of the letters OK.         75. ______________

题型:判断题

女孩,10个月。吃奶后频繁呕吐,眼神呆滞,意识模糊,前囟隆起。脑脊液检查白细胞数1000×106/L,糖2.0mmol/L,氯化物112mmol/L,蛋白0.75g/L。

假如经抗生素治疗1周后体温下降,脑脊液白细胞数降至10×10/L,体温正常,精神好转,继续原方案治疗3天后体温又上升,达39℃,并出现频繁呕吐、前囟膨隆。应首先考虑哪项诊断()

A.合并脑疝

B.合并脑积水

C.合并脑脓肿

D.脑膜炎症加重

E.合并硬膜下积液

题型:判断题

男性,60岁,曾有肝硬化、食管静脉曲张破裂出血病史两年,此次因突然呕血800ml,黑便3次而入院,急诊护士首选护理措施是

A.测量生命体征

B.让病人绝对卧床休息

C.安慰病人及家属

D.开放静脉,备好三腔两囊管

E.遵医嘱补液、止血药

题型:判断题

在一个半径为20米的圆形花坛周围栽树,每隔6.28米栽一棵树,一共可以栽多少棵树?

题型:判断题

从所给的四个选项中,选择最合适的一个填入问号处().

A.A

B.B

C.C

D.D

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