【单选题】Not until____________the exam _________ the importance of doing homework.
A.
had he failed; he realized
B.
he had failed; did he realize
C.
he had failed; he realized
D.
had he failed; did he realize
【简答题】布置作业:习题集 1. P2 :尺寸注法练习,全部; 2. P3 :几何作图: T3 , 4 , 5 ; 3. P4 :绘图练习:按题目要求,规范地完成几何图形 1 或 2 绘制(学生学号为单数的做几何图形 1 ,双数的做几何图形 2 的练习)
【简答题】(fortunate) ______ , he failed to pass the examination.
【单选题】—Do you know the reason why he failed ? —No, he’s a hard-working man___________, he failed finally.
【简答题】He is (confidence) ______ even though he has failed several times.
【单选题】—_____? —She is tall with long straight hair. [ ]
A.
What does your mother like
B.
What does your mother do
C.
What does your mother look like
D.
What does your mother like doing
【简答题】阅读文章第五、六段,完成下列任务: 1) What is the attitude towards Chinese economy? 2) What makes the author think there is no serious difficulties to the economy? 3) Why does the author think the manufacturing plant...
【判断题】在普通厌氧接触工艺中,如果有机底物较高时,极容易造成反应器内pH值降低,产生“酸化现象”。