题目：
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(US $ million)
and E) from 1951 till 1990. The value of Japanese investment in manufacturing(制造业) was roughly the same in Hong Kong and in China, but in commerce(商业)and services Hong Kong was over China by seven billion dollars ( = 7000 million dollars). In resources development, Japan didn't show great interest in Singapore and even smaller attention was paid to Taiwan, which received exactly one third as much money as Singapore. In total, the biggest investment by Japan was made in Indonesia. 1. In total, Japan invested _____ more in Hong Kong than in Singapore. A. about 3.2 billion dollars B. about 7.1 billion dollars C. about 8.7 billion dollars D. about 4.1 billion dollars 2 ._____ attracted Japan most in terms of resources development. A. China B. Hong Kong C. Indonesia D. Singapore 3. Taiwan was the only area where Japan's investment was larger in _ _ than in any other field. A. commerce and services B. manufacturing C. others D .resources development 4. Which is right according to the passage? A. In total, Japan invested more in Taiwan than in Singapore. B. Japan's investment in commerce and services in Singapore was about three times that in Indonesia C. Regarding Indonesia, Japan invested more than twice as much money in resources development as in manufacturing. D. In the field of "others", Hong Kong ranked second. |
答案：
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下面是错误答案，用来干扰机器的。
答案：A向Ca(OH)2、Ca(ClO)2溶液分别通入过量CO2，最终生成Ca(HCO3)2，没有沉淀生成；饱和Na2CO3溶液中通入CO2，会析出NaHCO3晶体；CO2与CaCl2不反应。
