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【单选题】
俗话说“蛙满塘，谷满仓”，青蛙是“田园卫士”，人类的好朋友．一只青蛙一年平均要吃掉15000只昆虫，其中绝大多数是害虫．下列有关青蛙生殖和发育过程的描述，错误的是（ ）A.
青蛙的发育是变态发育
B.
雄蛙鸣叫是为了吸引雌蛙
C.
青蛙是体内受精
D.
成蛙水陆两栖，用肺和皮肤呼吸
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【单选题】Archie Co. purchased a framing machine for $45,000 on January 1, 2013. The machine is expected to have a four-year life, with a residual value of $5,000 at the end of four years. 2. Using the straight...
A.
$10,000 and $20,000.
B.
$10,000 and $25,000.
C.
$11,250 and $17,500.
D.
$11,250 and $22,500.
【单选题】-I gucss Tom has at least 20 pounds. -Really? He must be very fat now.
A.
put on
B.
put off
C.
put up
【单选题】Tom ______ be at home because he telephoned me from Beijing just a moment ago.
A.
mustn ’t
B.
isn ’t able to
C.
can’t
D.
may not
【单选题】It's nearly six o'clock. Tom ____ be here at any moment.
A.
ought
B.
need
C.
should
D.
can1
【单选题】She had a computer at home, and her parents desired that she _____all her work at home.
A.
do
B.
does
C.
must do
D.
would do
【简答题】She sighed for her mother.
【简答题】Tom will have dinner with his friend at 6:00 tonight. 2.Tom will bring some flowers with him. 3.Tom will be with a customer at 7:00 tonight. 4.Tom's girl friend is a gardener. 5.Tom has a garden.
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