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【单选题】
单相半波相控整流电路带电阻性负载时移相范围为 。A.
90度
B.
π
C.
170度
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举一反三
【单选题】He said he ______ me a present unless I ______in doing the experiment.
A.
had not given had not succeeded
B.
would not give succeeded
C.
will not give succeed
D.
would not give will succeed
【多选题】关于内、外源性凝血途径特点的叙述，正确的是
A.
内源性凝血途径参与的因子多、步骤多、 时间长
B.
外源性凝血途径对于凝血反应的维持和巩固起重要作用
C.
内源性凝血途径在凝血反应的启动起重要作用
D.
外源性凝血途径的启动因子是 Ⅲ因子
【简答题】英译汉。 1. How are you getting along with your work? ___________________________________ 2. get along with sb.__________________ 3. get along with sth.__________________
【单选题】If the CPI was 132.5 at the end of last year and 140.2 at the end of this year, the inflation rate over these two years was
A.
7.7 percent.
B.
5.4 percent.
C.
4.4 percent.
D.
5.8 percent.
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