题目内容

Eventually he returned to school and was saved from the tragedy of being a(n) ___.

A. literate
B. literacy
C. illiterate
D. illiteracy

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The students never_______that the teacher is planning a pop quiz.

A. set out
B. attend
C. suspect
D. refer to

Some people will__under pressure, while a few people do well despite the pressure.

A. let down
B. set out
C. go up
D. fall apart

The narrow street is _______for the traffic jam.

A. famous
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C. numerous
D. notorious

下列物质（均为0.1 mol×L-1），不能用强碱标准溶液直接滴定的是：

A. HCOOH（pKa = 3.75）
B. HAc（pKa = 4.76）
C. H2SO4
D. NH4Cl（pKa = 9.25）