选择题：The famous author spent half of his life______ thi

题目内容：

The famous author spent half of his life______ this novel.(本题3.0分)
A、 to write
B、 Writing
C、 on write
D、 on writing

参考答案：

早期发现肺结核的方法是()回答正确A结核菌索试验B痍找结核菌C胸部X线检查 DO 纤维支气镜检查E疲

早期发现肺结核的方法是()回答正确A结核菌索试验B痍找结核菌C胸部X线检查 DO 纤维支气镜检查E疲结核菌培养

二项分布B（n，n）近似正态分布的条件是An较大且π接近0Bn较大且π接近1Cn较大且π接近0或1Dn较大且π接近0.5

( ) 3. Although he.s only 16 years old,______ he has been a college student for

People are more______ to spend money on goods with an attractive appearance than

[单选题,2.5分]我国《预算法》规定，国家实行A.中央和地方政府两级预算B.一级政府，一级预算C.中央政府一级预算D.地方政府一级预算