皮皮学，免费搜题
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【多选题】
关于日本血吸虫形态，正确的说法是A.
口、腹吸盘位于虫体的前端
B.
有不完整的消化道
C.
雌雄异体
D.
虫体背腹扁平
E.
雄虫有七个分散的睾丸
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皮皮学刷刷变学霸
举一反三
【单选题】As the chairman of the students' union, Thomas was said ______ other students in need.
A.
to help
B.
to be helping
C.
to have helped
D.
to have been helped
【简答题】At school the students need to increase their knowledge in an organized way and __________________(获得足够的科学词汇来进行有效的学术交际)
【单选题】-Do you have enough students to clean the laboratory? -No, I think we need ___________ students. [ ]
A.
another
B.
two others
C.
more two
D.
two more
【判断题】Students need to buy insurance by themselves once enrolled in British universities and it is a compulsory requirement for every student.()
A.
正确
B.
错误
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