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【单选题】
磷含量高在钢中容易引起（）的危害。A.
热脆
B.
冷脆
C.
时效硬化
D.
蓝脆
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举一反三
【简答题】请填写下面下划线部分的函数或关键字,当$_SESSION["user"]为空时跳转。 if(_________($_SESSION["user"]))header("_________:login.php");
【单选题】红、__________、白三色为圣诞色。( )
A.
黄
B.
绿
C.
蓝
D.
紫 解析: 红、绿、白三色为圣诞色。红色代表圣诞老人，绿色代表圣诞树，白色代表白雪。
【简答题】On Autumn Equinox, the southerners customarily have _______, the seasonal vegetables in autumn, and take qiutang,a soup made of fish and vegetables.
【简答题】One person out of three who graduated from university in the past six years is in a job requiring only the skills of a school-leaver, up from one in four a decade ago. A 21-year-old university graduat...
【简答题】During the weeks of discussion, delegations from groups who are interested in the resolution may call on representatives to their point of view.
【单选题】在集约化饲养条件下,由于密度高,疾病极易蔓延,致使____增加;同时,由于改善营养和防病的需要,必然要在天然饲料中添加一些化学控制物质来改善饲喂效果。
A.
发病率
B.
死亡率
C.
用药频率
D.
传染率
【单选题】During the weeks of discussion, delegations from groups who are interested in the resolution may call on representatives to their point of view.
A.
speculate about
B.
stand up for
C.
in the company of
【单选题】During the weeks of discussion, delegations from groups who are interested in the resolution may call on representatives to their point of view .
A.
get rid of
B.
disagree with
C.
pa y respect to
D.
s tand up fo r
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