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问题 选择题

—Who came out______first in the London Marathon?

—Michael.He’s always______first to reach the line.

A．the;the

B．/；/

C．the;/

D．/;the

答案

答案：D

本题考查习惯用语。first 作副词，不用冠词，come out first“得了第一名”。第二

空是常用句型 be the first/second/last to do...，first是序数词，要用定冠词。

多项选择题

关于血吸虫病的发病机制，下列哪些说法是正确的（）

A.急性期是体液、细胞免疫的表现

B.慢性期属于迟发性变态反应

C.血吸虫病后可获得完全免疫力

D.虫卵肉芽肿属假结核性

E.存在伴随免疫
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单项选择题

It’s all annual back-to-school routine. One morning you wave goodbye, and that (1) evening you’re burning the late-night oil in sympathy. In the race to improve educational standards, (2) are throwing the books at kids. (3) elementary school students are complaining of homework (4) What’s a well-meaning parent to do.As hard as (5) may he, sit back and chill, experts advise. Though you’ve got to get them to do it, (6) helping too much, or even examining (7) too carefully, you may keep them (8) doing it by themselves. "I wouldn’t advise a parent to check every (9) assignment," says psychologist John Rosemond, author of Ending the Tough Homework. "There’s a (10) of appreciation for trial and error. Let your children (11) the grade they deserve. " Many experts believe parents should gently look over the work of younger children and ask them to rethink their (12) . But "you don’t want them to feel it has to be (13) ," she says.

That’s not to say parents should (14) homework-first, they should monitor how much homework their kids (15) . Thirty minutes a day in the early elementary years and an hour in (16) four, five, and six is standard, says Rosemond. For junior-high students it should be " (17) more than an hour and a half," and two for high school students. If your child (18) has more homework than this, you may want to check (19) other parents and then talk to the teacher about (20) assignments.

1（）

A.very

B.exact

C.right

D.usual
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