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【判断题】
干湿交替的环境使钢铁的大气腐蚀速度减慢。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】There was a ( ) of two hours before the plane took off. 飞机起飞推迟了两个小时。 His delay made the teacher angry. ____________________________ ...as the delay in getting the meeting started was ...
【简答题】n My First Day in New York n I arrived in the United States on Feb. 6, 1986, but I remember my first day here very clearly. My friend was waiting for me when my plane landed at Kennedy Airport at thre...
【多选题】对教师而言，所谓廉洁从教，具体内容包括（）。
A.
不贪占学生及家长的钱物
B.
不贪占公共和他人的钱物
C.
不沾染社会上出现的一些贪、贿、欲等恶习
D.
不能抱怨自己的薪酬
【多选题】儿童易发生急性化脓性中耳炎或乳突炎的原因有
A.
与成人比较，咽鼓管相对短、宽、平、直
B.
咽部淋巴组织丰富，常增生肥大，因而易藏匿细菌和病毒
C.
中耳局部的免疫功能发育不全
D.
中耳、乳突结构畸形
E.
机体抵抗力较差，患各种上呼吸道传染病的机会较多
【简答题】2 Replace the underlined words with a
prepositional phrase that has the same meaning. ► We’ll need not less than two hours to
get there. at least 1 Generally , he’s very helpful. ____ 2 I th...
【单选题】Why one may have many good friends, but only have one the best/close friend?( )
A.
Because best friend can be satisfied with your any need.
B.
Because the best friend can help and support you whatever you do .
C.
Because the best friend is people’s only treasure.
D.
Because people may choose different good friends for different activities ,but a close friend is a person who you can rely on when you need help and who is able to share joys and sorrows with you.
【单选题】急性化脓性中耳炎及乳突炎多见于儿童，不是其主要原因的是
A.
小儿咽鼓管较成人者短、平且宽，咽口位置较低
B.
岩鳞缝尚未闭合
C.
机体抵抗力差
D.
咽部淋巴组织丰富，常增生肥大
E.
中耳局部免疫功能发育不完全
【简答题】The plane took very late up.
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