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【多选题】
保留灌肠目的是( )A.
供给药物治疗肠道疾病
B.
高热病人降温
C.
为婴幼儿解除便秘
D.
给予镇定剂
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举一反三
【单选题】--- I hope Jim won’t mind lending you his new digital camera. --- He ___________. I have already borrowed one from my cousin, David.
A.
shouldn’t
B.
mustn’t
C.
needn’t
D.
can’t
【简答题】质数只有( )个因数。合数至少有( )个因数,1有( )个因数。
【单选题】I am a very lucky girl and my family is the nicest in the world. Mummy and Daddy are important of course and when we're out we have to behave properly but when we're at home we play and laugh and have...
A.
the children of the family are disciplined
B.
their parents are the nicest in the world
C.
Mummy is good at telling jokes
D.
Daddy is cautious and happy
【单选题】— Will you read me a story, Mummy? — OK. You _____ have one if you go to bed as soon as possible. [ ]
A.
might
B.
must
C.
could
D.
shall
【简答题】质数只有（ ）个因数，合数至少有（ ）个因数． A.1 B.2 C.3．
【简答题】已知一棵二叉树如下图所示,写出对该树先序遍历、中序遍历和后序遍历的结果。
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