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【判断题】
焊接时的未焊透是指焊缝金属与母材之间，在多层焊时的各焊道之间未完全熔化结合的现象。A.
正确
B.
错误
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【简答题】Read the dialogue and answer the following questions. Write T for Teri, S for Scott and B for both. 填写序号即可 1. generally gets good marks? 2. has bad marks in maths? 3. likes maths? 4. likes the maths t...
【单选题】The maths teacher returned to the office, ____ by the boy.
A.
follows
B.
following
C.
followed
D.
was followed
【单选题】Look, the Maths teacher with his students _________on the grass to have a good rest at present.
A.
is lying
B.
is lieing
C.
are lying
D.
be lying
【单选题】Later, the naughty boys _____ to the Maths teacher for having played a trick on her the other day.
A.
apologized
B.
introduced
C.
turned
D.
complained
【单选题】The maths teacher told the naughty boys _____ so muchnoise in class.
A.
not making
B.
not to make
C.
don’t make
D.
didn’t make
【简答题】图中箭头所指的工具的该结构名称是( )。
【简答题】图中箭头所指工具的该结构名称是( )。
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