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【单选题】
The internal forces of the members of a truss should be ___________.A.
only axial forces
B.
axial forces and shearing forces
C.
only shearing forces
D.
only bending moments
E.
axial forces and bending moments
F.
axial forces, shearing forces and bending moments
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【简答题】The students attend the ___________ (apprentice) after school and during summer programs.
【单选题】About _____ of the students attend the meeting.
A.
one three
B.
first three
C.
first third
D.
one thired
【简答题】However, as we grew up, we lost that ___________(child) innocence.
【简答题】The students attend the __________( apprentice) after school and during summer.
【单选题】About —— of the students attend the meeting.
A.
two three
B.
two thirds
C.
two. third
【单选题】---By the way, how many of us can attend the meeting? ---The number of the students to attend the meeting _____ fifty.
A.
is
B.
has
C.
are
D.
have
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