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【单选题】
金属指示剂一般为有机弱酸或,它具有酸或指示剂的性质,同时它也是( )A.
有颜色的金属离于
B.
无颜色的金属离子
C.
金属离子的配位剂
D.
子的还原剂
E.
金属离子的氧化剂
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【单选题】—Do you know Donna very well?—Yes. We becamegoo
A.
4. —Do you know Donna very well? —Yes. We becamegood friends____________ we met at a party. A. the first time
B.
for the first time
C.
first time
D.
by the first time
【简答题】根据图片补全短语。 1. ____________ the ball 2. very ____________ 3. ____________ computer s 4. fly a ____________ 5. have a ____________ 6. have a ____________
【单选题】—The red dress fits me very well, doesn't it? —_________
A.
Yes, it does.
B.
You look very beautiful.
C.
It is a little tight.
【单选题】企业经营哲学不是从消费者需求出发,而是从企业生产出发。其主要表现是 “ 我生产什么,就卖什么 ” 这是( )的市场营销观念。
A.
产品观念
B.
需求观念
C.
推销观念
D.
生产观念
【单选题】He is a good _________ He likes ________very much．A． music，music B． musician，musicia
A.
4． He is a good _________ He likes ________very much． A． music，music
B.
musician，musician
C.
music，musician
D.
musician，music
【单选题】Lucy was very sorry __________ being late ,but what the teacher said made her better
A.
4． Lucy was very sorry __________ being late ,but what the teacher said made her better． A．for ,feel
B.
to ,to feel
C.
about ,feeling '
D.
at ,felt
【简答题】Yesterday it __________ (be) very cold.
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