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举一反三
【单选题】The main idea of the passage is that______.
A.
teachers should do as little as possible in helping students learn to read
B.
teachers should encourage students to read as widely as possible
C.
reading ability is something acquired rather than taught
D.
reading is more complicated than generally believed
【单选题】--Where is Bob? --He is in our ______ room. [ ]
A.
teacher
B.
teachers's
C.
teachers
D.
teachers'
【单选题】Those are the ___________ books. [ ]
A.
teacher'
B.
teachers'
C.
teachers's
D.
teachers
【判断题】矿渣硅酸盐水泥、火山灰质硅酸盐水泥、粉煤灰硅酸盐水泥、复合硅酸盐水泥的强度等级分为32.5、32.5R、42.5、42.5R、52.5、52.5R六个等级。( )
A.
正确
B.
错误
【简答题】对于火山灰质硅酸盐水泥、粉煤灰硅酸盐水泥、复合硅酸盐水泥和掺火山灰质混合材料的普通硅酸盐水泥在进行胶砂强度检验时，其用水量需通过 [填空(1)] 试验进行确定。A. 水泥胶砂流动度
【简答题】通用水泥除了硅酸盐水泥、火山灰质硅酸盐水泥、粉煤灰硅酸盐水泥、复合硅酸盐水泥外，还有________？
【单选题】They are those ________ books. [ ]
A.
teacher's
B.
teachers's
C.
teachers
D.
teachers'
【单选题】Teachers required that all the students ___ their homework all alone.
A.
must finish
B.
would finish
C.
had to finish
D.
finish
【简答题】按混合材料的品种和掺量,通用硅酸盐水泥分为 ()()()火山灰质硅酸盐水泥 、粉煤灰硅酸盐水泥 、复合硅酸盐水泥六种。
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