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【简答题】
根据句意，用括号中所给单词的正确形式填空。 小题1:All the homeless children (look) after well. 小题2:I’m not (certainly) whether I can do it. 小题3:We have decided not to go, though it was difficult (decide). 小题4:I’ve two (knife). I use them to cut watermelons. 小题5:When I visited them last night, they (chat) by the fire.
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】形成受精卵后发育为正常女性胚胎的精子染色体组型, 正确的是
A.
23 条常染色体加1 条X 性染色体
B.
22 条常染色体加1 条X 性染色体
C.
23 条常染色体加1 条Y 性染色体
D.
22 条常染色体加1 条Y 性染色体
E.
23 条常染色体
【简答题】一般情况下,andriod一个活动应该包含的2个文件扩展名是_____,______.
【单选题】They were all out _________ the missing child.
A.
found
B.
to look for
C.
find out
D.
to look after
【单选题】Because of his busy _____, Art doesn't get to spend much time with his sons.
A.
schedule
B.
time
C.
plan
D.
task
【简答题】一般情况下,andriod一个活动应该包含的2个文件扩展名是_____,______.
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