题目内容

硬度试验中，采用硬质合金压头的是（）硬度。

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（） not only he but also you going to attend the party tomorrow?

Are
B. Is
C. Were
D. Was

（） hard she tries, she can hardly avoid making mistakes in her homework.

A. While
B. However
C. As
D. Although

WANTED: BABYSITTERDo you like children? Do you have free time in the afternoon? We need a babysitter for our son. He is six years old. Hours are from Monday to Friday, 3:00 p.m. to 6:00 p.m. Sometimes you will work at the weekend. Pay is $10 per hour.For the job, you will:Watch our son Read to him *Play with himYou will work at our house. We live in London, near 10 Downing Street.Please call (020)296-8956. Ask for Miss Smith.The best babysitter for the job （）.

A. cannot read storybooks
B. is busy on Wednesday afternoon
C. wants $15 per hour
D. enjoys playing with children

在铁碳合金相图中，C点是（）点， P点是碳在（）中的最大溶解度点。