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【简答题】
请用下面方框内所给的词或短语完成下列句子，每项只能用一次。 popular, will go, laugh at fifth, place 1. A zoo is a ____ where many animals live. 2. Today is my cousin's ____ birthday. 3. Liu Xiang is very ____ in China. 4. Mike ____ to see his aunt if he is free tomorrow. 5. It's not polite to ____ others.
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皮皮学刷刷变学霸
举一反三
【单选题】下列关于内分泌腺的描述错误的是
A.
独立存在,肉眼可见
B.
均为无管腺
C.
分泌物统称为激素
D.
一种激素可作用于身体所有细胞或组织
E.
激素对机体的新陈代谢起调节作用
【简答题】Your doctor should be able to offer a______ on diet.
【单选题】The question_______ you should take this medicine should be decided by your family doctor.
A.
why
B.
if
C.
whether
D.
that
【单选题】It was recommended that they______for the doctor.
A.
has waited
B.
waited
C.
should wait
D.
should have waited
【单选题】在电极式锅炉水位控制系统中,若给水泵马达启动频繁,则可能原因是__________。
A.
高、低水位电极高度差太小
B.
低水位与危险水位电极的高度差太大
C.
高、低水位电极高度差太大
D.
低水位与危险水位电极的高度差太小
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