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肺炎球菌肺炎患者咳大量粉红色泡沫痰

A. 对
B. 错

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发动机电控系统按照喷射位置分为 [ ] 和 [ ] 类型。其中的 [ ] 可以进一步分为 [ ] 和 [ ]。

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It takes at least four years to get a bachelor's degree from an institution of higher learning in the US.

A. 对
B. 错

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In the United States school systems, which of the following divisions is true?

A. Elementary school, grammar school.
B. Elementary school, junior high school.
C. Elementary school, secondary school.
D. junior high school,senior high school.

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About 90% of American students go to schools and 10% attend _ schools.

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肺炎球菌肺炎患者咳大量粉红色泡沫痰

A. 对 B. 错

发动机电控系统按照喷射位置分为 [ ] 和 [ ] 类型。其中的 [ ] 可以进一步分为 [ ] 和 [ ]。

It takes at least four years to get a bachelor's degree from an institution of higher learning in the US.

In the United States school systems, which of the following divisions is true?

About 90% of American students go to __________ schools and 10% attend ___________ schools.

A. 对
B. 错

About 90% of American students go to schools and 10% attend _ schools.