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【单选题】
健康危险因素个体评价中,以下属于“自创性危险因素型”的是 。A.
增长年龄＜实际年龄＜评价年龄
B.
增长年龄＜评价年龄＜实际年龄
C.
实际年龄＜增长年龄＜评价年龄
D.
评价年龄≈实际年龄≈增长年龄
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【简答题】被测钢筋与相邻钢筋的间距应小于100mm，且其周边的其他钢筋不应影响检测结果，并应避开钢筋接头及绑丝。在定位的标记上，应根据钢筋探测仪的使用说明书操作，并记录钢筋探测仪显示的钢筋公称直径。每根钢筋重复检测2次，第2次检测时探头应旋转180，每次读数必须一致。( )
【单选题】The plant products have been carefully inspected and are considered to be ( ) from any quarantine pests.
A.
out
B.
away
C.
free
D.
far
【单选题】It can be inferred that ______.
A.
people are not allowed to drive after they drink one quarter in the evening
B.
people are still allowed to drive after they drink one quarter in the evening
C.
people are still allowed to drive after they drink one pint at lunchtime
D.
None.
【单选题】According to a recent official report, Britain’s economy grew ________ the first quarter of the year.
A.
half as fast as
B.
half faster than
C.
half fast as
D.
as half fast as
【多选题】采用钢筋探测仪检测混凝土内部的钢筋直径和保护层厚度,下列操作正确的()
A.
检测前,应将探头放置于金属标准块上调零
B.
检测前,探测区域的混凝土表面应涂抹耦合剂
C.
探测钢筋直径时,每根钢筋重复检测2次,第二次检测时探头应旋转180 0
D.
探测钢筋保护层厚度时,在被测钢筋的同一位置应重复读取2次数据,且相差不能超过1mm,否则数据无效
【简答题】It was twenty years ago and I was living in Paris. I had a tiny apartment in the Latin Quarter overlook a cemetery, and I was 【1】______ earning barely little money to keep body and soul together. She ...
【简答题】俗话说眼睛是心灵的窗户．同学们，我们每天从外界得到的信息中，大多数要通过眼睛来获取，那么，你了解眼睛的结构以及眼睛获取信息的过程吗？如图是人眼球的结构模式图， 请据图回答下列问题： （1）外界物体反射来的光线，依次通过折光系统的[______]______、[______]______、和[______]______、玻璃体、到达[______]______，形成物像． （2）眼球中能将光线刺激转...
【简答题】Three rich ladies met every day by the river. They sat there and talked the w 71 day. Once, they quarreled. One of them said, 'Look, how white and beautiful my hands are!' A 72 one said, 'My hands...
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