问题
单项选择题
参与蛋白C激活的物质是（）。
A.纤溶酶
B.胰蛋白酶
C.糜蛋白酶
D.凝血酶
E.抗凝血酶
答案
参考答案：D
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参与蛋白C激活的物质是（）。
A.纤溶酶
B.胰蛋白酶
C.糜蛋白酶
D.凝血酶
E.抗凝血酶
参考答案：D
| 完形填空。 | |||
| Bob and Mike are in the same school, 1 they are in diffrent classes. Their favorite 2 is Chinese. They 3 Chinese is very interesting. They go to school on weekdays. They come to school 4 7:00 in the morning. Today is Tuesday. Bob and Mike are in theirown(自己的)classroom. Bob 5 an English class. Look ! He is talking 6 his English teacher in English. Mike is having a Chinese class. His teacher is talking 7 Beijing Opera with them.The students are looking at their teachers. They 8 (认真地). But one of Bob’s classmates 9 a story book , because he isn't good at English and he 10 English. | |||
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