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【单选题】
下列应用文体中不属于便条的一项是A.
留言条
B.
托事条
C.
借条
D.
请假条l
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反馈参考答案：
举一反三
【单选题】Yesterday we saw chemical factory _____ waste water into the river. [ ]
A.
pour
B.
to pour
C.
pouring
D.
poured
【单选题】位于沙特阿拉伯的麦加大清真寺,每年都吸引着数百万的朝觐者。这些朝觐者信仰的宗教是( ) A. 佛教 B. 基督教 C. 犹太教 D. 伊斯兰教
A.
B.
C.
D.
D
【单选题】The following is a description of a glass-ionomer cement’s fluoride release pattern( )
A.
initial low-rate release，foilowed by long，low-rate release
B.
initial high-rate release，followed by long，low-rate release
C.
high．rate release throughout the GIC’s lifetime
D.
polycarboxylate cement
【单选题】If we are not careful, we may ____ our beautiful countryside into hideous blocks of cement.
A.
transform
B.
turn
C.
change
D.
concert
【单选题】Which of the following raises the equilibrium price of cement?
A.
an increase in the supply of cement
B.
an increase in the demand for cement
C.
a decrease in the demand for cement
D.
an increase in the quantity of cement demanded
E.
a decrease in the quantity of cement supplied.
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